Home / 3,838.08-5,753.60-1,372.32

Finding the Fourth Proportional to 3,838.08, 5,753.60 and 1,372.32

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Solution

The fourth proportional to 3,838.08, 5,753.60 and 1,372.32 is: 2,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.08 : 5,753.60 = 1,372.32 : x
  2. Step 2: Convert to fraction form
    3,838.08/5,753.60 = 1,372.32/x
  3. Step 3: Cross multiply
    3,838.08x = 5,753.60 × 1,372.32
  4. Step 4: Simplify right side
    3,838.08x = 7,895,780.35
  5. Step 5: Solve for x
    x = 7,895,780.35/3,838.08
  6. Step 6: Final answer
    x = 2,057.22

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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.