Home / 2,745.18-4,117.80-896.28

Finding the Fourth Proportional to 2,745.18, 4,117.80 and 896.28

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Solution

The fourth proportional to 2,745.18, 4,117.80 and 896.28 is: 1,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.18 : 4,117.80 = 896.28 : x
  2. Step 2: Convert to fraction form
    2,745.18/4,117.80 = 896.28/x
  3. Step 3: Cross multiply
    2,745.18x = 4,117.80 × 896.28
  4. Step 4: Simplify right side
    2,745.18x = 3,690,701.78
  5. Step 5: Solve for x
    x = 3,690,701.78/2,745.18
  6. Step 6: Final answer
    x = 1,344.43

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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.