Home / 3,781.24-5,671.86-1,473.28

Finding the Fourth Proportional to 3,781.24, 5,671.86 and 1,473.28

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Solution

The fourth proportional to 3,781.24, 5,671.86 and 1,473.28 is: 2,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.24 : 5,671.86 = 1,473.28 : x
  2. Step 2: Convert to fraction form
    3,781.24/5,671.86 = 1,473.28/x
  3. Step 3: Cross multiply
    3,781.24x = 5,671.86 × 1,473.28
  4. Step 4: Simplify right side
    3,781.24x = 8,356,237.90
  5. Step 5: Solve for x
    x = 8,356,237.90/3,781.24
  6. Step 6: Final answer
    x = 2,209.92

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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.