Home / 3,839.43-5,299.02-2,160.93

Finding the Fourth Proportional to 3,839.43, 5,299.02 and 2,160.93

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Solution

The fourth proportional to 3,839.43, 5,299.02 and 2,160.93 is: 2,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.43 : 5,299.02 = 2,160.93 : x
  2. Step 2: Convert to fraction form
    3,839.43/5,299.02 = 2,160.93/x
  3. Step 3: Cross multiply
    3,839.43x = 5,299.02 × 2,160.93
  4. Step 4: Simplify right side
    3,839.43x = 11,450,811.29
  5. Step 5: Solve for x
    x = 11,450,811.29/3,839.43
  6. Step 6: Final answer
    x = 2,982.42

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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.