Home / 3,757.90-5,185.43-2,079.07

Finding the Fourth Proportional to 3,757.90, 5,185.43 and 2,079.07

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Solution

The fourth proportional to 3,757.90, 5,185.43 and 2,079.07 is: 2,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.90 : 5,185.43 = 2,079.07 : x
  2. Step 2: Convert to fraction form
    3,757.90/5,185.43 = 2,079.07/x
  3. Step 3: Cross multiply
    3,757.90x = 5,185.43 × 2,079.07
  4. Step 4: Simplify right side
    3,757.90x = 10,780,871.95
  5. Step 5: Solve for x
    x = 10,780,871.95/3,757.90
  6. Step 6: Final answer
    x = 2,868.86

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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.