Home / 2,545.82-3,513.90-1,551.66

Finding the Fourth Proportional to 2,545.82, 3,513.90 and 1,551.66

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Solution

The fourth proportional to 2,545.82, 3,513.90 and 1,551.66 is: 2,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.82 : 3,513.90 = 1,551.66 : x
  2. Step 2: Convert to fraction form
    2,545.82/3,513.90 = 1,551.66/x
  3. Step 3: Cross multiply
    2,545.82x = 3,513.90 × 1,551.66
  4. Step 4: Simplify right side
    2,545.82x = 5,452,378.07
  5. Step 5: Solve for x
    x = 5,452,378.07/2,545.82
  6. Step 6: Final answer
    x = 2,141.70

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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.