Home / 2,575.46-3,862.58-1,187.93

Finding the Fourth Proportional to 2,575.46, 3,862.58 and 1,187.93

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Solution

The fourth proportional to 2,575.46, 3,862.58 and 1,187.93 is: 1,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.46 : 3,862.58 = 1,187.93 : x
  2. Step 2: Convert to fraction form
    2,575.46/3,862.58 = 1,187.93/x
  3. Step 3: Cross multiply
    2,575.46x = 3,862.58 × 1,187.93
  4. Step 4: Simplify right side
    2,575.46x = 4,588,449.41
  5. Step 5: Solve for x
    x = 4,588,449.41/2,575.46
  6. Step 6: Final answer
    x = 1,781.61

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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.