Home / 3,449.88-5,149.80-2,954.16

Finding the Fourth Proportional to 3,449.88, 5,149.80 and 2,954.16

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Solution

The fourth proportional to 3,449.88, 5,149.80 and 2,954.16 is: 4,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.88 : 5,149.80 = 2,954.16 : x
  2. Step 2: Convert to fraction form
    3,449.88/5,149.80 = 2,954.16/x
  3. Step 3: Cross multiply
    3,449.88x = 5,149.80 × 2,954.16
  4. Step 4: Simplify right side
    3,449.88x = 15,213,333.17
  5. Step 5: Solve for x
    x = 15,213,333.17/3,449.88
  6. Step 6: Final answer
    x = 4,409.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.