Home / 3,545.89-5,310.92-2,569.75

Finding the Fourth Proportional to 3,545.89, 5,310.92 and 2,569.75

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Solution

The fourth proportional to 3,545.89, 5,310.92 and 2,569.75 is: 3,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.89 : 5,310.92 = 2,569.75 : x
  2. Step 2: Convert to fraction form
    3,545.89/5,310.92 = 2,569.75/x
  3. Step 3: Cross multiply
    3,545.89x = 5,310.92 × 2,569.75
  4. Step 4: Simplify right side
    3,545.89x = 13,647,723.82
  5. Step 5: Solve for x
    x = 13,647,723.82/3,545.89
  6. Step 6: Final answer
    x = 3,848.89

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1.5x scale

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.