Home / 2,167.85-3,251.57-608.00

Finding the Fourth Proportional to 2,167.85, 3,251.57 and 608.00

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Solution

The fourth proportional to 2,167.85, 3,251.57 and 608.00 is: 911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.85 : 3,251.57 = 608.00 : x
  2. Step 2: Convert to fraction form
    2,167.85/3,251.57 = 608.00/x
  3. Step 3: Cross multiply
    2,167.85x = 3,251.57 × 608.00
  4. Step 4: Simplify right side
    2,167.85x = 1,976,935.26
  5. Step 5: Solve for x
    x = 1,976,935.26/2,167.85
  6. Step 6: Final answer
    x = 911.93

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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.