Home / 3,673.28-5,066.82-2,180.15

Finding the Fourth Proportional to 3,673.28, 5,066.82 and 2,180.15

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Solution

The fourth proportional to 3,673.28, 5,066.82 and 2,180.15 is: 3,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.28 : 5,066.82 = 2,180.15 : x
  2. Step 2: Convert to fraction form
    3,673.28/5,066.82 = 2,180.15/x
  3. Step 3: Cross multiply
    3,673.28x = 5,066.82 × 2,180.15
  4. Step 4: Simplify right side
    3,673.28x = 11,046,421.29
  5. Step 5: Solve for x
    x = 11,046,421.29/3,673.28
  6. Step 6: Final answer
    x = 3,007.23

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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.