Home / 2,295.41-3,167.68-1,247.47

Finding the Fourth Proportional to 2,295.41, 3,167.68 and 1,247.47

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Solution

The fourth proportional to 2,295.41, 3,167.68 and 1,247.47 is: 1,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.41 : 3,167.68 = 1,247.47 : x
  2. Step 2: Convert to fraction form
    2,295.41/3,167.68 = 1,247.47/x
  3. Step 3: Cross multiply
    2,295.41x = 3,167.68 × 1,247.47
  4. Step 4: Simplify right side
    2,295.41x = 3,951,579.53
  5. Step 5: Solve for x
    x = 3,951,579.53/2,295.41
  6. Step 6: Final answer
    x = 1,721.51

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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.