Home / 3,158.24-4,738.39-1,514.92

Finding the Fourth Proportional to 3,158.24, 4,738.39 and 1,514.92

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Solution

The fourth proportional to 3,158.24, 4,738.39 and 1,514.92 is: 2,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.24 : 4,738.39 = 1,514.92 : x
  2. Step 2: Convert to fraction form
    3,158.24/4,738.39 = 1,514.92/x
  3. Step 3: Cross multiply
    3,158.24x = 4,738.39 × 1,514.92
  4. Step 4: Simplify right side
    3,158.24x = 7,178,279.29
  5. Step 5: Solve for x
    x = 7,178,279.29/3,158.24
  6. Step 6: Final answer
    x = 2,272.87

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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.