Home / 3,734.15-5,149.73-2,988.14

Finding the Fourth Proportional to 3,734.15, 5,149.73 and 2,988.14

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Solution

The fourth proportional to 3,734.15, 5,149.73 and 2,988.14 is: 4,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.15 : 5,149.73 = 2,988.14 : x
  2. Step 2: Convert to fraction form
    3,734.15/5,149.73 = 2,988.14/x
  3. Step 3: Cross multiply
    3,734.15x = 5,149.73 × 2,988.14
  4. Step 4: Simplify right side
    3,734.15x = 15,388,099.26
  5. Step 5: Solve for x
    x = 15,388,099.26/3,734.15
  6. Step 6: Final answer
    x = 4,120.91

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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.