Home / 3,545.61-4,895.03-3,151.49

Finding the Fourth Proportional to 3,545.61, 4,895.03 and 3,151.49

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Solution

The fourth proportional to 3,545.61, 4,895.03 and 3,151.49 is: 4,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.61 : 4,895.03 = 3,151.49 : x
  2. Step 2: Convert to fraction form
    3,545.61/4,895.03 = 3,151.49/x
  3. Step 3: Cross multiply
    3,545.61x = 4,895.03 × 3,151.49
  4. Step 4: Simplify right side
    3,545.61x = 15,426,649.03
  5. Step 5: Solve for x
    x = 15,426,649.03/3,545.61
  6. Step 6: Final answer
    x = 4,350.92

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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.