Home / 2,845-4,269.30-1,306.04

Finding the Fourth Proportional to 2,845, 4,269.30 and 1,306.04

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Solution

The fourth proportional to 2,845, 4,269.30 and 1,306.04 is: 1,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845 : 4,269.30 = 1,306.04 : x
  2. Step 2: Convert to fraction form
    2,845/4,269.30 = 1,306.04/x
  3. Step 3: Cross multiply
    2,845x = 4,269.30 × 1,306.04
  4. Step 4: Simplify right side
    2,845x = 5,575,876.57
  5. Step 5: Solve for x
    x = 5,575,876.57/2,845
  6. Step 6: Final answer
    x = 1,959.89

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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.