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Finding the Fourth Proportional to 2,077.46, 3,116.07 and 844.54

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Solution

The fourth proportional to 2,077.46, 3,116.07 and 844.54 is: 1,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.46 : 3,116.07 = 844.54 : x
  2. Step 2: Convert to fraction form
    2,077.46/3,116.07 = 844.54/x
  3. Step 3: Cross multiply
    2,077.46x = 3,116.07 × 844.54
  4. Step 4: Simplify right side
    2,077.46x = 2,631,645.76
  5. Step 5: Solve for x
    x = 2,631,645.76/2,077.46
  6. Step 6: Final answer
    x = 1,266.76

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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.