Home / 2,354.70-3,249.39-1,359.81

Finding the Fourth Proportional to 2,354.70, 3,249.39 and 1,359.81

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Solution

The fourth proportional to 2,354.70, 3,249.39 and 1,359.81 is: 1,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.70 : 3,249.39 = 1,359.81 : x
  2. Step 2: Convert to fraction form
    2,354.70/3,249.39 = 1,359.81/x
  3. Step 3: Cross multiply
    2,354.70x = 3,249.39 × 1,359.81
  4. Step 4: Simplify right side
    2,354.70x = 4,418,553.02
  5. Step 5: Solve for x
    x = 4,418,553.02/2,354.70
  6. Step 6: Final answer
    x = 1,876.48

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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.