Home / 3,391.32-5,082.35-1,744.39

Finding the Fourth Proportional to 3,391.32, 5,082.35 and 1,744.39

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Solution

The fourth proportional to 3,391.32, 5,082.35 and 1,744.39 is: 2,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.32 : 5,082.35 = 1,744.39 : x
  2. Step 2: Convert to fraction form
    3,391.32/5,082.35 = 1,744.39/x
  3. Step 3: Cross multiply
    3,391.32x = 5,082.35 × 1,744.39
  4. Step 4: Simplify right side
    3,391.32x = 8,865,569.56
  5. Step 5: Solve for x
    x = 8,865,569.56/3,391.32
  6. Step 6: Final answer
    x = 2,614.20

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1.5x scale

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.