Home / 2,449.26-3,380.13-1,401.48

Finding the Fourth Proportional to 2,449.26, 3,380.13 and 1,401.48

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Solution

The fourth proportional to 2,449.26, 3,380.13 and 1,401.48 is: 1,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.26 : 3,380.13 = 1,401.48 : x
  2. Step 2: Convert to fraction form
    2,449.26/3,380.13 = 1,401.48/x
  3. Step 3: Cross multiply
    2,449.26x = 3,380.13 × 1,401.48
  4. Step 4: Simplify right side
    2,449.26x = 4,737,184.59
  5. Step 5: Solve for x
    x = 4,737,184.59/2,449.26
  6. Step 6: Final answer
    x = 1,934.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.