Home / 2,874.18-4,311.42-1,229.58

Finding the Fourth Proportional to 2,874.18, 4,311.42 and 1,229.58

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Solution

The fourth proportional to 2,874.18, 4,311.42 and 1,229.58 is: 1,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.18 : 4,311.42 = 1,229.58 : x
  2. Step 2: Convert to fraction form
    2,874.18/4,311.42 = 1,229.58/x
  3. Step 3: Cross multiply
    2,874.18x = 4,311.42 × 1,229.58
  4. Step 4: Simplify right side
    2,874.18x = 5,301,235.80
  5. Step 5: Solve for x
    x = 5,301,235.80/2,874.18
  6. Step 6: Final answer
    x = 1,844.43

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1.5x scale

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.