Home / 1,614.26-2,227.56-915.50

Finding the Fourth Proportional to 1,614.26, 2,227.56 and 915.50

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Solution

The fourth proportional to 1,614.26, 2,227.56 and 915.50 is: 1,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.26 : 2,227.56 = 915.50 : x
  2. Step 2: Convert to fraction form
    1,614.26/2,227.56 = 915.50/x
  3. Step 3: Cross multiply
    1,614.26x = 2,227.56 × 915.50
  4. Step 4: Simplify right side
    1,614.26x = 2,039,331.18
  5. Step 5: Solve for x
    x = 2,039,331.18/1,614.26
  6. Step 6: Final answer
    x = 1,263.32

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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.