Home / 3,082.70-4,253.24-1,904.15

Finding the Fourth Proportional to 3,082.70, 4,253.24 and 1,904.15

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Solution

The fourth proportional to 3,082.70, 4,253.24 and 1,904.15 is: 2,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.70 : 4,253.24 = 1,904.15 : x
  2. Step 2: Convert to fraction form
    3,082.70/4,253.24 = 1,904.15/x
  3. Step 3: Cross multiply
    3,082.70x = 4,253.24 × 1,904.15
  4. Step 4: Simplify right side
    3,082.70x = 8,098,797.43
  5. Step 5: Solve for x
    x = 8,098,797.43/3,082.70
  6. Step 6: Final answer
    x = 2,627.18

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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.