Home / 3,724.36-5,587.46-1,127.30

Finding the Fourth Proportional to 3,724.36, 5,587.46 and 1,127.30

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Solution

The fourth proportional to 3,724.36, 5,587.46 and 1,127.30 is: 1,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.36 : 5,587.46 = 1,127.30 : x
  2. Step 2: Convert to fraction form
    3,724.36/5,587.46 = 1,127.30/x
  3. Step 3: Cross multiply
    3,724.36x = 5,587.46 × 1,127.30
  4. Step 4: Simplify right side
    3,724.36x = 6,298,738.02
  5. Step 5: Solve for x
    x = 6,298,738.02/3,724.36
  6. Step 6: Final answer
    x = 1,691.23

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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.