Home / 3,660.12-5,490.18-3,426.84

Finding the Fourth Proportional to 3,660.12, 5,490.18 and 3,426.84

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Solution

The fourth proportional to 3,660.12, 5,490.18 and 3,426.84 is: 5,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.12 : 5,490.18 = 3,426.84 : x
  2. Step 2: Convert to fraction form
    3,660.12/5,490.18 = 3,426.84/x
  3. Step 3: Cross multiply
    3,660.12x = 5,490.18 × 3,426.84
  4. Step 4: Simplify right side
    3,660.12x = 18,813,968.43
  5. Step 5: Solve for x
    x = 18,813,968.43/3,660.12
  6. Step 6: Final answer
    x = 5,140.26

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Similar ratio
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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.