Home / 2,375.64-3,278.37-1,327.89

Finding the Fourth Proportional to 2,375.64, 3,278.37 and 1,327.89

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Solution

The fourth proportional to 2,375.64, 3,278.37 and 1,327.89 is: 1,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.64 : 3,278.37 = 1,327.89 : x
  2. Step 2: Convert to fraction form
    2,375.64/3,278.37 = 1,327.89/x
  3. Step 3: Cross multiply
    2,375.64x = 3,278.37 × 1,327.89
  4. Step 4: Simplify right side
    2,375.64x = 4,353,314.74
  5. Step 5: Solve for x
    x = 4,353,314.74/2,375.64
  6. Step 6: Final answer
    x = 1,832.48

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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.