Home / 3,167.04-4,751.76-1,218.78

Finding the Fourth Proportional to 3,167.04, 4,751.76 and 1,218.78

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Solution

The fourth proportional to 3,167.04, 4,751.76 and 1,218.78 is: 1,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.04 : 4,751.76 = 1,218.78 : x
  2. Step 2: Convert to fraction form
    3,167.04/4,751.76 = 1,218.78/x
  3. Step 3: Cross multiply
    3,167.04x = 4,751.76 × 1,218.78
  4. Step 4: Simplify right side
    3,167.04x = 5,791,350.05
  5. Step 5: Solve for x
    x = 5,791,350.05/3,167.04
  6. Step 6: Final answer
    x = 1,828.63

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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.