Home / 3,517.32-4,854.20-1,945.71

Finding the Fourth Proportional to 3,517.32, 4,854.20 and 1,945.71

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Solution

The fourth proportional to 3,517.32, 4,854.20 and 1,945.71 is: 2,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.32 : 4,854.20 = 1,945.71 : x
  2. Step 2: Convert to fraction form
    3,517.32/4,854.20 = 1,945.71/x
  3. Step 3: Cross multiply
    3,517.32x = 4,854.20 × 1,945.71
  4. Step 4: Simplify right side
    3,517.32x = 9,444,855.75
  5. Step 5: Solve for x
    x = 9,444,855.75/3,517.32
  6. Step 6: Final answer
    x = 2,685.24

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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.