Home / 2,351.28-3,249.00-1,686.97

Finding the Fourth Proportional to 2,351.28, 3,249.00 and 1,686.97

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Solution

The fourth proportional to 2,351.28, 3,249.00 and 1,686.97 is: 2,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.28 : 3,249.00 = 1,686.97 : x
  2. Step 2: Convert to fraction form
    2,351.28/3,249.00 = 1,686.97/x
  3. Step 3: Cross multiply
    2,351.28x = 3,249.00 × 1,686.97
  4. Step 4: Simplify right side
    2,351.28x = 5,480,940.85
  5. Step 5: Solve for x
    x = 5,480,940.85/2,351.28
  6. Step 6: Final answer
    x = 2,331.05

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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.