Home / 3,082.28-4,254.34-1,902.68

Finding the Fourth Proportional to 3,082.28, 4,254.34 and 1,902.68

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Solution

The fourth proportional to 3,082.28, 4,254.34 and 1,902.68 is: 2,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.28 : 4,254.34 = 1,902.68 : x
  2. Step 2: Convert to fraction form
    3,082.28/4,254.34 = 1,902.68/x
  3. Step 3: Cross multiply
    3,082.28x = 4,254.34 × 1,902.68
  4. Step 4: Simplify right side
    3,082.28x = 8,094,626.36
  5. Step 5: Solve for x
    x = 8,094,626.36/3,082.28
  6. Step 6: Final answer
    x = 2,626.18

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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.