Home / 2,757.16-4,139.39-2,639.91

Finding the Fourth Proportional to 2,757.16, 4,139.39 and 2,639.91

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Solution

The fourth proportional to 2,757.16, 4,139.39 and 2,639.91 is: 3,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.16 : 4,139.39 = 2,639.91 : x
  2. Step 2: Convert to fraction form
    2,757.16/4,139.39 = 2,639.91/x
  3. Step 3: Cross multiply
    2,757.16x = 4,139.39 × 2,639.91
  4. Step 4: Simplify right side
    2,757.16x = 10,927,617.05
  5. Step 5: Solve for x
    x = 10,927,617.05/2,757.16
  6. Step 6: Final answer
    x = 3,963.36

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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.