Home / 2,295.56-3,167.89-1,247.63

Finding the Fourth Proportional to 2,295.56, 3,167.89 and 1,247.63

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Solution

The fourth proportional to 2,295.56, 3,167.89 and 1,247.63 is: 1,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.56 : 3,167.89 = 1,247.63 : x
  2. Step 2: Convert to fraction form
    2,295.56/3,167.89 = 1,247.63/x
  3. Step 3: Cross multiply
    2,295.56x = 3,167.89 × 1,247.63
  4. Step 4: Simplify right side
    2,295.56x = 3,952,335.64
  5. Step 5: Solve for x
    x = 3,952,335.64/2,295.56
  6. Step 6: Final answer
    x = 1,721.73

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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.