Home / 1,614.56-2,229.32-1,240.94

Finding the Fourth Proportional to 1,614.56, 2,229.32 and 1,240.94

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Solution

The fourth proportional to 1,614.56, 2,229.32 and 1,240.94 is: 1,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.56 : 2,229.32 = 1,240.94 : x
  2. Step 2: Convert to fraction form
    1,614.56/2,229.32 = 1,240.94/x
  3. Step 3: Cross multiply
    1,614.56x = 2,229.32 × 1,240.94
  4. Step 4: Simplify right side
    1,614.56x = 2,766,461.04
  5. Step 5: Solve for x
    x = 2,766,461.04/1,614.56
  6. Step 6: Final answer
    x = 1,713.45

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.