Home / 3,471.40-4,785.55-2,474.95

Finding the Fourth Proportional to 3,471.40, 4,785.55 and 2,474.95

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Solution

The fourth proportional to 3,471.40, 4,785.55 and 2,474.95 is: 3,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.40 : 4,785.55 = 2,474.95 : x
  2. Step 2: Convert to fraction form
    3,471.40/4,785.55 = 2,474.95/x
  3. Step 3: Cross multiply
    3,471.40x = 4,785.55 × 2,474.95
  4. Step 4: Simplify right side
    3,471.40x = 11,844,006.05
  5. Step 5: Solve for x
    x = 11,844,006.05/3,471.40
  6. Step 6: Final answer
    x = 3,411.88

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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.