Home / 2,565.76-3,847.28-1,104.26

Finding the Fourth Proportional to 2,565.76, 3,847.28 and 1,104.26

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Solution

The fourth proportional to 2,565.76, 3,847.28 and 1,104.26 is: 1,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.76 : 3,847.28 = 1,104.26 : x
  2. Step 2: Convert to fraction form
    2,565.76/3,847.28 = 1,104.26/x
  3. Step 3: Cross multiply
    2,565.76x = 3,847.28 × 1,104.26
  4. Step 4: Simplify right side
    2,565.76x = 4,248,397.41
  5. Step 5: Solve for x
    x = 4,248,397.41/2,565.76
  6. Step 6: Final answer
    x = 1,655.80

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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.