Home / 3,167.55-4,371.48-1,908.99

Finding the Fourth Proportional to 3,167.55, 4,371.48 and 1,908.99

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Solution

The fourth proportional to 3,167.55, 4,371.48 and 1,908.99 is: 2,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.55 : 4,371.48 = 1,908.99 : x
  2. Step 2: Convert to fraction form
    3,167.55/4,371.48 = 1,908.99/x
  3. Step 3: Cross multiply
    3,167.55x = 4,371.48 × 1,908.99
  4. Step 4: Simplify right side
    3,167.55x = 8,345,111.61
  5. Step 5: Solve for x
    x = 8,345,111.61/3,167.55
  6. Step 6: Final answer
    x = 2,634.56

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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.