Home / 2,734.32-4,101.84-2,118

Finding the Fourth Proportional to 2,734.32, 4,101.84 and 2,118

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Solution

The fourth proportional to 2,734.32, 4,101.84 and 2,118 is: 3,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.32 : 4,101.84 = 2,118 : x
  2. Step 2: Convert to fraction form
    2,734.32/4,101.84 = 2,118/x
  3. Step 3: Cross multiply
    2,734.32x = 4,101.84 × 2,118
  4. Step 4: Simplify right side
    2,734.32x = 8,687,697.12
  5. Step 5: Solve for x
    x = 8,687,697.12/2,734.32
  6. Step 6: Final answer
    x = 3,177.28

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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.