Home / 3,683.18-5,081.92-2,089.48

Finding the Fourth Proportional to 3,683.18, 5,081.92 and 2,089.48

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Solution

The fourth proportional to 3,683.18, 5,081.92 and 2,089.48 is: 2,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.18 : 5,081.92 = 2,089.48 : x
  2. Step 2: Convert to fraction form
    3,683.18/5,081.92 = 2,089.48/x
  3. Step 3: Cross multiply
    3,683.18x = 5,081.92 × 2,089.48
  4. Step 4: Simplify right side
    3,683.18x = 10,618,560.11
  5. Step 5: Solve for x
    x = 10,618,560.11/3,683.18
  6. Step 6: Final answer
    x = 2,882.99

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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.