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Finding the Fourth Proportional to 2,014.68, 3,021.66 and 553.50

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Solution

The fourth proportional to 2,014.68, 3,021.66 and 553.50 is: 830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.68 : 3,021.66 = 553.50 : x
  2. Step 2: Convert to fraction form
    2,014.68/3,021.66 = 553.50/x
  3. Step 3: Cross multiply
    2,014.68x = 3,021.66 × 553.50
  4. Step 4: Simplify right side
    2,014.68x = 1,672,488.81
  5. Step 5: Solve for x
    x = 1,672,488.81/2,014.68
  6. Step 6: Final answer
    x = 830.15

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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.