Home / 3,757.13-5,184.93-2,078.57

Finding the Fourth Proportional to 3,757.13, 5,184.93 and 2,078.57

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Solution

The fourth proportional to 3,757.13, 5,184.93 and 2,078.57 is: 2,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.13 : 5,184.93 = 2,078.57 : x
  2. Step 2: Convert to fraction form
    3,757.13/5,184.93 = 2,078.57/x
  3. Step 3: Cross multiply
    3,757.13x = 5,184.93 × 2,078.57
  4. Step 4: Simplify right side
    3,757.13x = 10,777,252.91
  5. Step 5: Solve for x
    x = 10,777,252.91/3,757.13
  6. Step 6: Final answer
    x = 2,868.48

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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.