Home / 3,545.25-4,893.03-2,148.81

Finding the Fourth Proportional to 3,545.25, 4,893.03 and 2,148.81

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Solution

The fourth proportional to 3,545.25, 4,893.03 and 2,148.81 is: 2,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.25 : 4,893.03 = 2,148.81 : x
  2. Step 2: Convert to fraction form
    3,545.25/4,893.03 = 2,148.81/x
  3. Step 3: Cross multiply
    3,545.25x = 4,893.03 × 2,148.81
  4. Step 4: Simplify right side
    3,545.25x = 10,514,191.79
  5. Step 5: Solve for x
    x = 10,514,191.79/3,545.25
  6. Step 6: Final answer
    x = 2,965.71

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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.