Home / 3,150.59-4,730.07-2,691.32

Finding the Fourth Proportional to 3,150.59, 4,730.07 and 2,691.32

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Solution

The fourth proportional to 3,150.59, 4,730.07 and 2,691.32 is: 4,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.59 : 4,730.07 = 2,691.32 : x
  2. Step 2: Convert to fraction form
    3,150.59/4,730.07 = 2,691.32/x
  3. Step 3: Cross multiply
    3,150.59x = 4,730.07 × 2,691.32
  4. Step 4: Simplify right side
    3,150.59x = 12,730,131.99
  5. Step 5: Solve for x
    x = 12,730,131.99/3,150.59
  6. Step 6: Final answer
    x = 4,040.55

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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.