Home / 2,149.26-3,222.30-1,454.20

Finding the Fourth Proportional to 2,149.26, 3,222.30 and 1,454.20

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Solution

The fourth proportional to 2,149.26, 3,222.30 and 1,454.20 is: 2,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.26 : 3,222.30 = 1,454.20 : x
  2. Step 2: Convert to fraction form
    2,149.26/3,222.30 = 1,454.20/x
  3. Step 3: Cross multiply
    2,149.26x = 3,222.30 × 1,454.20
  4. Step 4: Simplify right side
    2,149.26x = 4,685,868.66
  5. Step 5: Solve for x
    x = 4,685,868.66/2,149.26
  6. Step 6: Final answer
    x = 2,180.22

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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.