Home / 3,342.28-5,013.89-1,394.04

Finding the Fourth Proportional to 3,342.28, 5,013.89 and 1,394.04

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Solution

The fourth proportional to 3,342.28, 5,013.89 and 1,394.04 is: 2,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.28 : 5,013.89 = 1,394.04 : x
  2. Step 2: Convert to fraction form
    3,342.28/5,013.89 = 1,394.04/x
  3. Step 3: Cross multiply
    3,342.28x = 5,013.89 × 1,394.04
  4. Step 4: Simplify right side
    3,342.28x = 6,989,531.18
  5. Step 5: Solve for x
    x = 6,989,531.18/3,342.28
  6. Step 6: Final answer
    x = 2,091.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.