Home / 3,720.67-5,134.39-2,207.55

Finding the Fourth Proportional to 3,720.67, 5,134.39 and 2,207.55

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Solution

The fourth proportional to 3,720.67, 5,134.39 and 2,207.55 is: 3,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.67 : 5,134.39 = 2,207.55 : x
  2. Step 2: Convert to fraction form
    3,720.67/5,134.39 = 2,207.55/x
  3. Step 3: Cross multiply
    3,720.67x = 5,134.39 × 2,207.55
  4. Step 4: Simplify right side
    3,720.67x = 11,334,436.38
  5. Step 5: Solve for x
    x = 11,334,436.38/3,720.67
  6. Step 6: Final answer
    x = 3,046.34

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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.