Home / 3,727.85-5,143.47-2,983.32

Finding the Fourth Proportional to 3,727.85, 5,143.47 and 2,983.32

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Solution

The fourth proportional to 3,727.85, 5,143.47 and 2,983.32 is: 4,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.85 : 5,143.47 = 2,983.32 : x
  2. Step 2: Convert to fraction form
    3,727.85/5,143.47 = 2,983.32/x
  3. Step 3: Cross multiply
    3,727.85x = 5,143.47 × 2,983.32
  4. Step 4: Simplify right side
    3,727.85x = 15,344,616.92
  5. Step 5: Solve for x
    x = 15,344,616.92/3,727.85
  6. Step 6: Final answer
    x = 4,116.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.