Home / 1,027.28-1,539.87-616.61

Finding the Fourth Proportional to 1,027.28, 1,539.87 and 616.61

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Solution

The fourth proportional to 1,027.28, 1,539.87 and 616.61 is: 924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.28 : 1,539.87 = 616.61 : x
  2. Step 2: Convert to fraction form
    1,027.28/1,539.87 = 616.61/x
  3. Step 3: Cross multiply
    1,027.28x = 1,539.87 × 616.61
  4. Step 4: Simplify right side
    1,027.28x = 949,499.24
  5. Step 5: Solve for x
    x = 949,499.24/1,027.28
  6. Step 6: Final answer
    x = 924.28

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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.