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Finding the Fourth Proportional to 2,013.88, 3,021.66 and 844.10

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Solution

The fourth proportional to 2,013.88, 3,021.66 and 844.10 is: 1,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.88 : 3,021.66 = 844.10 : x
  2. Step 2: Convert to fraction form
    2,013.88/3,021.66 = 844.10/x
  3. Step 3: Cross multiply
    2,013.88x = 3,021.66 × 844.10
  4. Step 4: Simplify right side
    2,013.88x = 2,550,583.21
  5. Step 5: Solve for x
    x = 2,550,583.21/2,013.88
  6. Step 6: Final answer
    x = 1,266.50

Related Problems

Find fourth proportional to 1,006.94, 1,510.83 and 422.05
Half scale
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Double scale
Find fourth proportional to 2,014.88, 3,023.16 and 845.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.