Home / 2,224.90-3,340.29-1,489.24

Finding the Fourth Proportional to 2,224.90, 3,340.29 and 1,489.24

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Solution

The fourth proportional to 2,224.90, 3,340.29 and 1,489.24 is: 2,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.90 : 3,340.29 = 1,489.24 : x
  2. Step 2: Convert to fraction form
    2,224.90/3,340.29 = 1,489.24/x
  3. Step 3: Cross multiply
    2,224.90x = 3,340.29 × 1,489.24
  4. Step 4: Simplify right side
    2,224.90x = 4,974,493.48
  5. Step 5: Solve for x
    x = 4,974,493.48/2,224.90
  6. Step 6: Final answer
    x = 2,235.83

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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.