Home / 3,635.28-5,454.27-1,686.11

Finding the Fourth Proportional to 3,635.28, 5,454.27 and 1,686.11

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Solution

The fourth proportional to 3,635.28, 5,454.27 and 1,686.11 is: 2,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.28 : 5,454.27 = 1,686.11 : x
  2. Step 2: Convert to fraction form
    3,635.28/5,454.27 = 1,686.11/x
  3. Step 3: Cross multiply
    3,635.28x = 5,454.27 × 1,686.11
  4. Step 4: Simplify right side
    3,635.28x = 9,196,471.92
  5. Step 5: Solve for x
    x = 9,196,471.92/3,635.28
  6. Step 6: Final answer
    x = 2,529.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.