Home / 3,553.86-4,898.19-2,668.11

Finding the Fourth Proportional to 3,553.86, 4,898.19 and 2,668.11

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Solution

The fourth proportional to 3,553.86, 4,898.19 and 2,668.11 is: 3,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.86 : 4,898.19 = 2,668.11 : x
  2. Step 2: Convert to fraction form
    3,553.86/4,898.19 = 2,668.11/x
  3. Step 3: Cross multiply
    3,553.86x = 4,898.19 × 2,668.11
  4. Step 4: Simplify right side
    3,553.86x = 13,068,909.72
  5. Step 5: Solve for x
    x = 13,068,909.72/3,553.86
  6. Step 6: Final answer
    x = 3,677.38

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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.