Home / 3,171.06-4,366.13-2,879.46

Finding the Fourth Proportional to 3,171.06, 4,366.13 and 2,879.46

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Solution

The fourth proportional to 3,171.06, 4,366.13 and 2,879.46 is: 3,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.06 : 4,366.13 = 2,879.46 : x
  2. Step 2: Convert to fraction form
    3,171.06/4,366.13 = 2,879.46/x
  3. Step 3: Cross multiply
    3,171.06x = 4,366.13 × 2,879.46
  4. Step 4: Simplify right side
    3,171.06x = 12,572,082.29
  5. Step 5: Solve for x
    x = 12,572,082.29/3,171.06
  6. Step 6: Final answer
    x = 3,964.63

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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.