Home / 2,253.12-3,381.60-1,327.32

Finding the Fourth Proportional to 2,253.12, 3,381.60 and 1,327.32

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Solution

The fourth proportional to 2,253.12, 3,381.60 and 1,327.32 is: 1,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.12 : 3,381.60 = 1,327.32 : x
  2. Step 2: Convert to fraction form
    2,253.12/3,381.60 = 1,327.32/x
  3. Step 3: Cross multiply
    2,253.12x = 3,381.60 × 1,327.32
  4. Step 4: Simplify right side
    2,253.12x = 4,488,465.31
  5. Step 5: Solve for x
    x = 4,488,465.31/2,253.12
  6. Step 6: Final answer
    x = 1,992.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.