Home / 1,557.28-2,334.64-1,062.32

Finding the Fourth Proportional to 1,557.28, 2,334.64 and 1,062.32

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Solution

The fourth proportional to 1,557.28, 2,334.64 and 1,062.32 is: 1,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.28 : 2,334.64 = 1,062.32 : x
  2. Step 2: Convert to fraction form
    1,557.28/2,334.64 = 1,062.32/x
  3. Step 3: Cross multiply
    1,557.28x = 2,334.64 × 1,062.32
  4. Step 4: Simplify right side
    1,557.28x = 2,480,134.76
  5. Step 5: Solve for x
    x = 2,480,134.76/1,557.28
  6. Step 6: Final answer
    x = 1,592.61

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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.