Home / 3,742.52-5,612.38-1,490.38

Finding the Fourth Proportional to 3,742.52, 5,612.38 and 1,490.38

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Solution

The fourth proportional to 3,742.52, 5,612.38 and 1,490.38 is: 2,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.52 : 5,612.38 = 1,490.38 : x
  2. Step 2: Convert to fraction form
    3,742.52/5,612.38 = 1,490.38/x
  3. Step 3: Cross multiply
    3,742.52x = 5,612.38 × 1,490.38
  4. Step 4: Simplify right side
    3,742.52x = 8,364,578.90
  5. Step 5: Solve for x
    x = 8,364,578.90/3,742.52
  6. Step 6: Final answer
    x = 2,235.01

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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.