Home / 2,691.55-3,714.36-1,628.97

Finding the Fourth Proportional to 2,691.55, 3,714.36 and 1,628.97

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Solution

The fourth proportional to 2,691.55, 3,714.36 and 1,628.97 is: 2,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.55 : 3,714.36 = 1,628.97 : x
  2. Step 2: Convert to fraction form
    2,691.55/3,714.36 = 1,628.97/x
  3. Step 3: Cross multiply
    2,691.55x = 3,714.36 × 1,628.97
  4. Step 4: Simplify right side
    2,691.55x = 6,050,581.01
  5. Step 5: Solve for x
    x = 6,050,581.01/2,691.55
  6. Step 6: Final answer
    x = 2,247.99

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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.