Home / 3,747.42-5,165.78-3,083.11

Finding the Fourth Proportional to 3,747.42, 5,165.78 and 3,083.11

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Solution

The fourth proportional to 3,747.42, 5,165.78 and 3,083.11 is: 4,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.42 : 5,165.78 = 3,083.11 : x
  2. Step 2: Convert to fraction form
    3,747.42/5,165.78 = 3,083.11/x
  3. Step 3: Cross multiply
    3,747.42x = 5,165.78 × 3,083.11
  4. Step 4: Simplify right side
    3,747.42x = 15,926,639.65
  5. Step 5: Solve for x
    x = 15,926,639.65/3,747.42
  6. Step 6: Final answer
    x = 4,250.03

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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.