Home / 4,279.44-5,905.56-2,391.05

Finding the Fourth Proportional to 4,279.44, 5,905.56 and 2,391.05

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Solution

The fourth proportional to 4,279.44, 5,905.56 and 2,391.05 is: 3,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.44 : 5,905.56 = 2,391.05 : x
  2. Step 2: Convert to fraction form
    4,279.44/5,905.56 = 2,391.05/x
  3. Step 3: Cross multiply
    4,279.44x = 5,905.56 × 2,391.05
  4. Step 4: Simplify right side
    4,279.44x = 14,120,459.71
  5. Step 5: Solve for x
    x = 14,120,459.71/4,279.44
  6. Step 6: Final answer
    x = 3,299.60

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1.5x scale

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.