Home / 2,144.88-3,217.32-1,380.24

Finding the Fourth Proportional to 2,144.88, 3,217.32 and 1,380.24

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Solution

The fourth proportional to 2,144.88, 3,217.32 and 1,380.24 is: 2,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.88 : 3,217.32 = 1,380.24 : x
  2. Step 2: Convert to fraction form
    2,144.88/3,217.32 = 1,380.24/x
  3. Step 3: Cross multiply
    2,144.88x = 3,217.32 × 1,380.24
  4. Step 4: Simplify right side
    2,144.88x = 4,440,673.76
  5. Step 5: Solve for x
    x = 4,440,673.76/2,144.88
  6. Step 6: Final answer
    x = 2,070.36

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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.