Home / 3,430.92-4,731.12-3,082.17

Finding the Fourth Proportional to 3,430.92, 4,731.12 and 3,082.17

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Solution

The fourth proportional to 3,430.92, 4,731.12 and 3,082.17 is: 4,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.92 : 4,731.12 = 3,082.17 : x
  2. Step 2: Convert to fraction form
    3,430.92/4,731.12 = 3,082.17/x
  3. Step 3: Cross multiply
    3,430.92x = 4,731.12 × 3,082.17
  4. Step 4: Simplify right side
    3,430.92x = 14,582,116.13
  5. Step 5: Solve for x
    x = 14,582,116.13/3,430.92
  6. Step 6: Final answer
    x = 4,250.21

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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.