Home / 2,569.52-3,545.75-1,521.38

Finding the Fourth Proportional to 2,569.52, 3,545.75 and 1,521.38

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Solution

The fourth proportional to 2,569.52, 3,545.75 and 1,521.38 is: 2,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.52 : 3,545.75 = 1,521.38 : x
  2. Step 2: Convert to fraction form
    2,569.52/3,545.75 = 1,521.38/x
  3. Step 3: Cross multiply
    2,569.52x = 3,545.75 × 1,521.38
  4. Step 4: Simplify right side
    2,569.52x = 5,394,419.21
  5. Step 5: Solve for x
    x = 5,394,419.21/2,569.52
  6. Step 6: Final answer
    x = 2,099.39

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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.