Home / 2,565.80-3,850.57-2,412.71

Finding the Fourth Proportional to 2,565.80, 3,850.57 and 2,412.71

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Solution

The fourth proportional to 2,565.80, 3,850.57 and 2,412.71 is: 3,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.80 : 3,850.57 = 2,412.71 : x
  2. Step 2: Convert to fraction form
    2,565.80/3,850.57 = 2,412.71/x
  3. Step 3: Cross multiply
    2,565.80x = 3,850.57 × 2,412.71
  4. Step 4: Simplify right side
    2,565.80x = 9,290,306.95
  5. Step 5: Solve for x
    x = 9,290,306.95/2,565.80
  6. Step 6: Final answer
    x = 3,620.82

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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.