Home / 2,295.32-3,167.53-1,247.38

Finding the Fourth Proportional to 2,295.32, 3,167.53 and 1,247.38

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Solution

The fourth proportional to 2,295.32, 3,167.53 and 1,247.38 is: 1,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.32 : 3,167.53 = 1,247.38 : x
  2. Step 2: Convert to fraction form
    2,295.32/3,167.53 = 1,247.38/x
  3. Step 3: Cross multiply
    2,295.32x = 3,167.53 × 1,247.38
  4. Step 4: Simplify right side
    2,295.32x = 3,951,113.57
  5. Step 5: Solve for x
    x = 3,951,113.57/2,295.32
  6. Step 6: Final answer
    x = 1,721.38

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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.