Home / 3,167.26-4,370.73-1,988.98

Finding the Fourth Proportional to 3,167.26, 4,370.73 and 1,988.98

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Solution

The fourth proportional to 3,167.26, 4,370.73 and 1,988.98 is: 2,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.26 : 4,370.73 = 1,988.98 : x
  2. Step 2: Convert to fraction form
    3,167.26/4,370.73 = 1,988.98/x
  3. Step 3: Cross multiply
    3,167.26x = 4,370.73 × 1,988.98
  4. Step 4: Simplify right side
    3,167.26x = 8,693,294.56
  5. Step 5: Solve for x
    x = 8,693,294.56/3,167.26
  6. Step 6: Final answer
    x = 2,744.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.