Home / 3,396.89-5,091.21-2,470.14

Finding the Fourth Proportional to 3,396.89, 5,091.21 and 2,470.14

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Solution

The fourth proportional to 3,396.89, 5,091.21 and 2,470.14 is: 3,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.89 : 5,091.21 = 2,470.14 : x
  2. Step 2: Convert to fraction form
    3,396.89/5,091.21 = 2,470.14/x
  3. Step 3: Cross multiply
    3,396.89x = 5,091.21 × 2,470.14
  4. Step 4: Simplify right side
    3,396.89x = 12,576,001.47
  5. Step 5: Solve for x
    x = 12,576,001.47/3,396.89
  6. Step 6: Final answer
    x = 3,702.21

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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.