Home / 2,874.04-4,311.35-1,119.18

Finding the Fourth Proportional to 2,874.04, 4,311.35 and 1,119.18

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Solution

The fourth proportional to 2,874.04, 4,311.35 and 1,119.18 is: 1,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.04 : 4,311.35 = 1,119.18 : x
  2. Step 2: Convert to fraction form
    2,874.04/4,311.35 = 1,119.18/x
  3. Step 3: Cross multiply
    2,874.04x = 4,311.35 × 1,119.18
  4. Step 4: Simplify right side
    2,874.04x = 4,825,149.54
  5. Step 5: Solve for x
    x = 4,825,149.54/2,874.04
  6. Step 6: Final answer
    x = 1,678.87

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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.