Home / 2,565.27-3,844.80-1,177.20

Finding the Fourth Proportional to 2,565.27, 3,844.80 and 1,177.20

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Solution

The fourth proportional to 2,565.27, 3,844.80 and 1,177.20 is: 1,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.27 : 3,844.80 = 1,177.20 : x
  2. Step 2: Convert to fraction form
    2,565.27/3,844.80 = 1,177.20/x
  3. Step 3: Cross multiply
    2,565.27x = 3,844.80 × 1,177.20
  4. Step 4: Simplify right side
    2,565.27x = 4,526,098.56
  5. Step 5: Solve for x
    x = 4,526,098.56/2,565.27
  6. Step 6: Final answer
    x = 1,764.38

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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.