Home / 2,721.24-3,755.99-1,672.70

Finding the Fourth Proportional to 2,721.24, 3,755.99 and 1,672.70

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Solution

The fourth proportional to 2,721.24, 3,755.99 and 1,672.70 is: 2,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.24 : 3,755.99 = 1,672.70 : x
  2. Step 2: Convert to fraction form
    2,721.24/3,755.99 = 1,672.70/x
  3. Step 3: Cross multiply
    2,721.24x = 3,755.99 × 1,672.70
  4. Step 4: Simplify right side
    2,721.24x = 6,282,617.33
  5. Step 5: Solve for x
    x = 6,282,617.33/2,721.24
  6. Step 6: Final answer
    x = 2,308.73

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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.