Home / 2,221.28-3,331.92-1,734.74

Finding the Fourth Proportional to 2,221.28, 3,331.92 and 1,734.74

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Solution

The fourth proportional to 2,221.28, 3,331.92 and 1,734.74 is: 2,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.28 : 3,331.92 = 1,734.74 : x
  2. Step 2: Convert to fraction form
    2,221.28/3,331.92 = 1,734.74/x
  3. Step 3: Cross multiply
    2,221.28x = 3,331.92 × 1,734.74
  4. Step 4: Simplify right side
    2,221.28x = 5,779,998.24
  5. Step 5: Solve for x
    x = 5,779,998.24/2,221.28
  6. Step 6: Final answer
    x = 2,602.11

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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.