Home / 3,151.24-4,724.97-1,691.08

Finding the Fourth Proportional to 3,151.24, 4,724.97 and 1,691.08

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Solution

The fourth proportional to 3,151.24, 4,724.97 and 1,691.08 is: 2,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.24 : 4,724.97 = 1,691.08 : x
  2. Step 2: Convert to fraction form
    3,151.24/4,724.97 = 1,691.08/x
  3. Step 3: Cross multiply
    3,151.24x = 4,724.97 × 1,691.08
  4. Step 4: Simplify right side
    3,151.24x = 7,990,302.27
  5. Step 5: Solve for x
    x = 7,990,302.27/3,151.24
  6. Step 6: Final answer
    x = 2,535.61

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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.