Home / 3,599.29-5,389.89-2,279.04

Finding the Fourth Proportional to 3,599.29, 5,389.89 and 2,279.04

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Solution

The fourth proportional to 3,599.29, 5,389.89 and 2,279.04 is: 3,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.29 : 5,389.89 = 2,279.04 : x
  2. Step 2: Convert to fraction form
    3,599.29/5,389.89 = 2,279.04/x
  3. Step 3: Cross multiply
    3,599.29x = 5,389.89 × 2,279.04
  4. Step 4: Simplify right side
    3,599.29x = 12,283,758.97
  5. Step 5: Solve for x
    x = 12,283,758.97/3,599.29
  6. Step 6: Final answer
    x = 3,412.83

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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.