Home / 2,295.30-3,167.42-1,247.34

Finding the Fourth Proportional to 2,295.30, 3,167.42 and 1,247.34

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Solution

The fourth proportional to 2,295.30, 3,167.42 and 1,247.34 is: 1,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.30 : 3,167.42 = 1,247.34 : x
  2. Step 2: Convert to fraction form
    2,295.30/3,167.42 = 1,247.34/x
  3. Step 3: Cross multiply
    2,295.30x = 3,167.42 × 1,247.34
  4. Step 4: Simplify right side
    2,295.30x = 3,950,849.66
  5. Step 5: Solve for x
    x = 3,950,849.66/2,295.30
  6. Step 6: Final answer
    x = 1,721.28

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1.5x scale

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.