Home / 3,082.68-4,254.42-1,824.14

Finding the Fourth Proportional to 3,082.68, 4,254.42 and 1,824.14

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Solution

The fourth proportional to 3,082.68, 4,254.42 and 1,824.14 is: 2,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.68 : 4,254.42 = 1,824.14 : x
  2. Step 2: Convert to fraction form
    3,082.68/4,254.42 = 1,824.14/x
  3. Step 3: Cross multiply
    3,082.68x = 4,254.42 × 1,824.14
  4. Step 4: Simplify right side
    3,082.68x = 7,760,657.70
  5. Step 5: Solve for x
    x = 7,760,657.70/3,082.68
  6. Step 6: Final answer
    x = 2,517.50

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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.