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Finding the Fourth Proportional to 3,545.79, 4,892.91 and 2,053.91

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Solution

The fourth proportional to 3,545.79, 4,892.91 and 2,053.91 is: 2,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.79 : 4,892.91 = 2,053.91 : x
  2. Step 2: Convert to fraction form
    3,545.79/4,892.91 = 2,053.91/x
  3. Step 3: Cross multiply
    3,545.79x = 4,892.91 × 2,053.91
  4. Step 4: Simplify right side
    3,545.79x = 10,049,572.31
  5. Step 5: Solve for x
    x = 10,049,572.31/3,545.79
  6. Step 6: Final answer
    x = 2,834.23

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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.