Home / 3,449.44-5,161.85-2,988.80

Finding the Fourth Proportional to 3,449.44, 5,161.85 and 2,988.80

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Solution

The fourth proportional to 3,449.44, 5,161.85 and 2,988.80 is: 4,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.44 : 5,161.85 = 2,988.80 : x
  2. Step 2: Convert to fraction form
    3,449.44/5,161.85 = 2,988.80/x
  3. Step 3: Cross multiply
    3,449.44x = 5,161.85 × 2,988.80
  4. Step 4: Simplify right side
    3,449.44x = 15,427,696.53
  5. Step 5: Solve for x
    x = 15,427,696.53/3,449.44
  6. Step 6: Final answer
    x = 4,472.53

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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.