Home / 2,812.38-4,219.66-1,168.50

Finding the Fourth Proportional to 2,812.38, 4,219.66 and 1,168.50

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Solution

The fourth proportional to 2,812.38, 4,219.66 and 1,168.50 is: 1,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.38 : 4,219.66 = 1,168.50 : x
  2. Step 2: Convert to fraction form
    2,812.38/4,219.66 = 1,168.50/x
  3. Step 3: Cross multiply
    2,812.38x = 4,219.66 × 1,168.50
  4. Step 4: Simplify right side
    2,812.38x = 4,930,672.71
  5. Step 5: Solve for x
    x = 4,930,672.71/2,812.38
  6. Step 6: Final answer
    x = 1,753.20

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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.