Home / 2,249.78-3,375.36-2,017.20

Finding the Fourth Proportional to 2,249.78, 3,375.36 and 2,017.20

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Solution

The fourth proportional to 2,249.78, 3,375.36 and 2,017.20 is: 3,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.78 : 3,375.36 = 2,017.20 : x
  2. Step 2: Convert to fraction form
    2,249.78/3,375.36 = 2,017.20/x
  3. Step 3: Cross multiply
    2,249.78x = 3,375.36 × 2,017.20
  4. Step 4: Simplify right side
    2,249.78x = 6,808,776.19
  5. Step 5: Solve for x
    x = 6,808,776.19/2,249.78
  6. Step 6: Final answer
    x = 3,026.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.