Home / 3,660.25-5,479.61-2,269.12

Finding the Fourth Proportional to 3,660.25, 5,479.61 and 2,269.12

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Solution

The fourth proportional to 3,660.25, 5,479.61 and 2,269.12 is: 3,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.25 : 5,479.61 = 2,269.12 : x
  2. Step 2: Convert to fraction form
    3,660.25/5,479.61 = 2,269.12/x
  3. Step 3: Cross multiply
    3,660.25x = 5,479.61 × 2,269.12
  4. Step 4: Simplify right side
    3,660.25x = 12,433,867.60
  5. Step 5: Solve for x
    x = 12,433,867.60/3,660.25
  6. Step 6: Final answer
    x = 3,397.00

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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.