Home / 3,167.41-4,751.79-1,318.93

Finding the Fourth Proportional to 3,167.41, 4,751.79 and 1,318.93

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Solution

The fourth proportional to 3,167.41, 4,751.79 and 1,318.93 is: 1,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.41 : 4,751.79 = 1,318.93 : x
  2. Step 2: Convert to fraction form
    3,167.41/4,751.79 = 1,318.93/x
  3. Step 3: Cross multiply
    3,167.41x = 4,751.79 × 1,318.93
  4. Step 4: Simplify right side
    3,167.41x = 6,267,278.38
  5. Step 5: Solve for x
    x = 6,267,278.38/3,167.41
  6. Step 6: Final answer
    x = 1,978.68

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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.