Home / 3,723.92-5,586.42-1,127.08

Finding the Fourth Proportional to 3,723.92, 5,586.42 and 1,127.08

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Solution

The fourth proportional to 3,723.92, 5,586.42 and 1,127.08 is: 1,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.92 : 5,586.42 = 1,127.08 : x
  2. Step 2: Convert to fraction form
    3,723.92/5,586.42 = 1,127.08/x
  3. Step 3: Cross multiply
    3,723.92x = 5,586.42 × 1,127.08
  4. Step 4: Simplify right side
    3,723.92x = 6,296,342.25
  5. Step 5: Solve for x
    x = 6,296,342.25/3,723.92
  6. Step 6: Final answer
    x = 1,690.78

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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.