Home / 2,569.26-3,545.62-1,521.56

Finding the Fourth Proportional to 2,569.26, 3,545.62 and 1,521.56

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Solution

The fourth proportional to 2,569.26, 3,545.62 and 1,521.56 is: 2,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.26 : 3,545.62 = 1,521.56 : x
  2. Step 2: Convert to fraction form
    2,569.26/3,545.62 = 1,521.56/x
  3. Step 3: Cross multiply
    2,569.26x = 3,545.62 × 1,521.56
  4. Step 4: Simplify right side
    2,569.26x = 5,394,873.57
  5. Step 5: Solve for x
    x = 5,394,873.57/2,569.26
  6. Step 6: Final answer
    x = 2,099.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.