Home / 2,249.78-3,373.56-1,361.20

Finding the Fourth Proportional to 2,249.78, 3,373.56 and 1,361.20

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Solution

The fourth proportional to 2,249.78, 3,373.56 and 1,361.20 is: 2,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.78 : 3,373.56 = 1,361.20 : x
  2. Step 2: Convert to fraction form
    2,249.78/3,373.56 = 1,361.20/x
  3. Step 3: Cross multiply
    2,249.78x = 3,373.56 × 1,361.20
  4. Step 4: Simplify right side
    2,249.78x = 4,592,089.87
  5. Step 5: Solve for x
    x = 4,592,089.87/2,249.78
  6. Step 6: Final answer
    x = 2,041.13

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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.