Home / 3,139.24-4,716.16-2,279.04

Finding the Fourth Proportional to 3,139.24, 4,716.16 and 2,279.04

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Solution

The fourth proportional to 3,139.24, 4,716.16 and 2,279.04 is: 3,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.24 : 4,716.16 = 2,279.04 : x
  2. Step 2: Convert to fraction form
    3,139.24/4,716.16 = 2,279.04/x
  3. Step 3: Cross multiply
    3,139.24x = 4,716.16 × 2,279.04
  4. Step 4: Simplify right side
    3,139.24x = 10,748,317.29
  5. Step 5: Solve for x
    x = 10,748,317.29/3,139.24
  6. Step 6: Final answer
    x = 3,423.86

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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.