Home / 2,443.64-3,661.82-2,261.40

Finding the Fourth Proportional to 2,443.64, 3,661.82 and 2,261.40

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Solution

The fourth proportional to 2,443.64, 3,661.82 and 2,261.40 is: 3,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.64 : 3,661.82 = 2,261.40 : x
  2. Step 2: Convert to fraction form
    2,443.64/3,661.82 = 2,261.40/x
  3. Step 3: Cross multiply
    2,443.64x = 3,661.82 × 2,261.40
  4. Step 4: Simplify right side
    2,443.64x = 8,280,839.75
  5. Step 5: Solve for x
    x = 8,280,839.75/2,443.64
  6. Step 6: Final answer
    x = 3,388.73

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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.