Home / 2,872.08-4,306.38-1,204.20

Finding the Fourth Proportional to 2,872.08, 4,306.38 and 1,204.20

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Solution

The fourth proportional to 2,872.08, 4,306.38 and 1,204.20 is: 1,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.08 : 4,306.38 = 1,204.20 : x
  2. Step 2: Convert to fraction form
    2,872.08/4,306.38 = 1,204.20/x
  3. Step 3: Cross multiply
    2,872.08x = 4,306.38 × 1,204.20
  4. Step 4: Simplify right side
    2,872.08x = 5,185,742.80
  5. Step 5: Solve for x
    x = 5,185,742.80/2,872.08
  6. Step 6: Final answer
    x = 1,805.57

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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.