Home / 4,279.26-5,905.61-2,391.01

Finding the Fourth Proportional to 4,279.26, 5,905.61 and 2,391.01

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Solution

The fourth proportional to 4,279.26, 5,905.61 and 2,391.01 is: 3,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.26 : 5,905.61 = 2,391.01 : x
  2. Step 2: Convert to fraction form
    4,279.26/5,905.61 = 2,391.01/x
  3. Step 3: Cross multiply
    4,279.26x = 5,905.61 × 2,391.01
  4. Step 4: Simplify right side
    4,279.26x = 14,120,372.57
  5. Step 5: Solve for x
    x = 14,120,372.57/4,279.26
  6. Step 6: Final answer
    x = 3,299.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.