Home / 2,295.55-3,167.82-1,247.61

Finding the Fourth Proportional to 2,295.55, 3,167.82 and 1,247.61

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Solution

The fourth proportional to 2,295.55, 3,167.82 and 1,247.61 is: 1,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.55 : 3,167.82 = 1,247.61 : x
  2. Step 2: Convert to fraction form
    2,295.55/3,167.82 = 1,247.61/x
  3. Step 3: Cross multiply
    2,295.55x = 3,167.82 × 1,247.61
  4. Step 4: Simplify right side
    2,295.55x = 3,952,203.91
  5. Step 5: Solve for x
    x = 3,952,203.91/2,295.55
  6. Step 6: Final answer
    x = 1,721.68

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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.