Home / 2,375.81-3,278.33-1,327.85

Finding the Fourth Proportional to 2,375.81, 3,278.33 and 1,327.85

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Solution

The fourth proportional to 2,375.81, 3,278.33 and 1,327.85 is: 1,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.81 : 3,278.33 = 1,327.85 : x
  2. Step 2: Convert to fraction form
    2,375.81/3,278.33 = 1,327.85/x
  3. Step 3: Cross multiply
    2,375.81x = 3,278.33 × 1,327.85
  4. Step 4: Simplify right side
    2,375.81x = 4,353,123.85
  5. Step 5: Solve for x
    x = 4,353,123.85/2,375.81
  6. Step 6: Final answer
    x = 1,832.27

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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.