Home / 2,439.27-3,656.60-2,222.59

Finding the Fourth Proportional to 2,439.27, 3,656.60 and 2,222.59

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Solution

The fourth proportional to 2,439.27, 3,656.60 and 2,222.59 is: 3,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.27 : 3,656.60 = 2,222.59 : x
  2. Step 2: Convert to fraction form
    2,439.27/3,656.60 = 2,222.59/x
  3. Step 3: Cross multiply
    2,439.27x = 3,656.60 × 2,222.59
  4. Step 4: Simplify right side
    2,439.27x = 8,127,122.59
  5. Step 5: Solve for x
    x = 8,127,122.59/2,439.27
  6. Step 6: Final answer
    x = 3,331.78

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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.