Home / 3,757.31-5,184.99-2,078.66

Finding the Fourth Proportional to 3,757.31, 5,184.99 and 2,078.66

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Solution

The fourth proportional to 3,757.31, 5,184.99 and 2,078.66 is: 2,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.31 : 5,184.99 = 2,078.66 : x
  2. Step 2: Convert to fraction form
    3,757.31/5,184.99 = 2,078.66/x
  3. Step 3: Cross multiply
    3,757.31x = 5,184.99 × 2,078.66
  4. Step 4: Simplify right side
    3,757.31x = 10,777,838.43
  5. Step 5: Solve for x
    x = 10,777,838.43/3,757.31
  6. Step 6: Final answer
    x = 2,868.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.