Home / 2,565.12-3,847.14-1,103.88

Finding the Fourth Proportional to 2,565.12, 3,847.14 and 1,103.88

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Solution

The fourth proportional to 2,565.12, 3,847.14 and 1,103.88 is: 1,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.12 : 3,847.14 = 1,103.88 : x
  2. Step 2: Convert to fraction form
    2,565.12/3,847.14 = 1,103.88/x
  3. Step 3: Cross multiply
    2,565.12x = 3,847.14 × 1,103.88
  4. Step 4: Simplify right side
    2,565.12x = 4,246,780.90
  5. Step 5: Solve for x
    x = 4,246,780.90/2,565.12
  6. Step 6: Final answer
    x = 1,655.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.