Home / 2,747.15-4,122.08-1,361.64

Finding the Fourth Proportional to 2,747.15, 4,122.08 and 1,361.64

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Solution

The fourth proportional to 2,747.15, 4,122.08 and 1,361.64 is: 2,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.15 : 4,122.08 = 1,361.64 : x
  2. Step 2: Convert to fraction form
    2,747.15/4,122.08 = 1,361.64/x
  3. Step 3: Cross multiply
    2,747.15x = 4,122.08 × 1,361.64
  4. Step 4: Simplify right side
    2,747.15x = 5,612,782.20
  5. Step 5: Solve for x
    x = 5,612,782.20/2,747.15
  6. Step 6: Final answer
    x = 2,043.13

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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.