Home / 2,691.26-3,714.03-1,629.23

Finding the Fourth Proportional to 2,691.26, 3,714.03 and 1,629.23

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Solution

The fourth proportional to 2,691.26, 3,714.03 and 1,629.23 is: 2,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.26 : 3,714.03 = 1,629.23 : x
  2. Step 2: Convert to fraction form
    2,691.26/3,714.03 = 1,629.23/x
  3. Step 3: Cross multiply
    2,691.26x = 3,714.03 × 1,629.23
  4. Step 4: Simplify right side
    2,691.26x = 6,050,990.53
  5. Step 5: Solve for x
    x = 6,050,990.53/2,691.26
  6. Step 6: Final answer
    x = 2,248.38

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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.