Home / 2,327.04-3,211.24-1,279.08

Finding the Fourth Proportional to 2,327.04, 3,211.24 and 1,279.08

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Solution

The fourth proportional to 2,327.04, 3,211.24 and 1,279.08 is: 1,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.04 : 3,211.24 = 1,279.08 : x
  2. Step 2: Convert to fraction form
    2,327.04/3,211.24 = 1,279.08/x
  3. Step 3: Cross multiply
    2,327.04x = 3,211.24 × 1,279.08
  4. Step 4: Simplify right side
    2,327.04x = 4,107,432.86
  5. Step 5: Solve for x
    x = 4,107,432.86/2,327.04
  6. Step 6: Final answer
    x = 1,765.09

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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.