Home / 4,121.38-5,686.90-2,352.34

Finding the Fourth Proportional to 4,121.38, 5,686.90 and 2,352.34

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Solution

The fourth proportional to 4,121.38, 5,686.90 and 2,352.34 is: 3,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.38 : 5,686.90 = 2,352.34 : x
  2. Step 2: Convert to fraction form
    4,121.38/5,686.90 = 2,352.34/x
  3. Step 3: Cross multiply
    4,121.38x = 5,686.90 × 2,352.34
  4. Step 4: Simplify right side
    4,121.38x = 13,377,522.35
  5. Step 5: Solve for x
    x = 13,377,522.35/4,121.38
  6. Step 6: Final answer
    x = 3,245.88

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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.