Home / 4,116.20-6,169.66-2,031.78

Finding the Fourth Proportional to 4,116.20, 6,169.66 and 2,031.78

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Solution

The fourth proportional to 4,116.20, 6,169.66 and 2,031.78 is: 3,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.20 : 6,169.66 = 2,031.78 : x
  2. Step 2: Convert to fraction form
    4,116.20/6,169.66 = 2,031.78/x
  3. Step 3: Cross multiply
    4,116.20x = 6,169.66 × 2,031.78
  4. Step 4: Simplify right side
    4,116.20x = 12,535,391.79
  5. Step 5: Solve for x
    x = 12,535,391.79/4,116.20
  6. Step 6: Final answer
    x = 3,045.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.