Home / 3,757.46-5,184.89-2,078.60

Finding the Fourth Proportional to 3,757.46, 5,184.89 and 2,078.60

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Solution

The fourth proportional to 3,757.46, 5,184.89 and 2,078.60 is: 2,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.46 : 5,184.89 = 2,078.60 : x
  2. Step 2: Convert to fraction form
    3,757.46/5,184.89 = 2,078.60/x
  3. Step 3: Cross multiply
    3,757.46x = 5,184.89 × 2,078.60
  4. Step 4: Simplify right side
    3,757.46x = 10,777,312.35
  5. Step 5: Solve for x
    x = 10,777,312.35/3,757.46
  6. Step 6: Final answer
    x = 2,868.24

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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.