Home / 1,498.28-2,247.36-402.60

Finding the Fourth Proportional to 1,498.28, 2,247.36 and 402.60

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Solution

The fourth proportional to 1,498.28, 2,247.36 and 402.60 is: 603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.28 : 2,247.36 = 402.60 : x
  2. Step 2: Convert to fraction form
    1,498.28/2,247.36 = 402.60/x
  3. Step 3: Cross multiply
    1,498.28x = 2,247.36 × 402.60
  4. Step 4: Simplify right side
    1,498.28x = 904,787.14
  5. Step 5: Solve for x
    x = 904,787.14/1,498.28
  6. Step 6: Final answer
    x = 603.88

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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.