Home / 3,701.61-5,108.49-2,209.59

Finding the Fourth Proportional to 3,701.61, 5,108.49 and 2,209.59

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Solution

The fourth proportional to 3,701.61, 5,108.49 and 2,209.59 is: 3,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.61 : 5,108.49 = 2,209.59 : x
  2. Step 2: Convert to fraction form
    3,701.61/5,108.49 = 2,209.59/x
  3. Step 3: Cross multiply
    3,701.61x = 5,108.49 × 2,209.59
  4. Step 4: Simplify right side
    3,701.61x = 11,287,668.42
  5. Step 5: Solve for x
    x = 11,287,668.42/3,701.61
  6. Step 6: Final answer
    x = 3,049.39

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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.