Home / 2,909.57-4,366.46-2,181.11

Finding the Fourth Proportional to 2,909.57, 4,366.46 and 2,181.11

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Solution

The fourth proportional to 2,909.57, 4,366.46 and 2,181.11 is: 3,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.57 : 4,366.46 = 2,181.11 : x
  2. Step 2: Convert to fraction form
    2,909.57/4,366.46 = 2,181.11/x
  3. Step 3: Cross multiply
    2,909.57x = 4,366.46 × 2,181.11
  4. Step 4: Simplify right side
    2,909.57x = 9,523,713.19
  5. Step 5: Solve for x
    x = 9,523,713.19/2,909.57
  6. Step 6: Final answer
    x = 3,273.24

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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.