Home / 3,691.85-5,094.67-2,013.29

Finding the Fourth Proportional to 3,691.85, 5,094.67 and 2,013.29

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Solution

The fourth proportional to 3,691.85, 5,094.67 and 2,013.29 is: 2,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.85 : 5,094.67 = 2,013.29 : x
  2. Step 2: Convert to fraction form
    3,691.85/5,094.67 = 2,013.29/x
  3. Step 3: Cross multiply
    3,691.85x = 5,094.67 × 2,013.29
  4. Step 4: Simplify right side
    3,691.85x = 10,257,054.95
  5. Step 5: Solve for x
    x = 10,257,054.95/3,691.85
  6. Step 6: Final answer
    x = 2,778.29

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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.