Home / 4,279.38-5,905.35-2,512.50

Finding the Fourth Proportional to 4,279.38, 5,905.35 and 2,512.50

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Solution

The fourth proportional to 4,279.38, 5,905.35 and 2,512.50 is: 3,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.38 : 5,905.35 = 2,512.50 : x
  2. Step 2: Convert to fraction form
    4,279.38/5,905.35 = 2,512.50/x
  3. Step 3: Cross multiply
    4,279.38x = 5,905.35 × 2,512.50
  4. Step 4: Simplify right side
    4,279.38x = 14,837,191.88
  5. Step 5: Solve for x
    x = 14,837,191.88/4,279.38
  6. Step 6: Final answer
    x = 3,467.14

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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.