Home / 3,389.84-5,084.60-1,414.66

Finding the Fourth Proportional to 3,389.84, 5,084.60 and 1,414.66

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Solution

The fourth proportional to 3,389.84, 5,084.60 and 1,414.66 is: 2,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.84 : 5,084.60 = 1,414.66 : x
  2. Step 2: Convert to fraction form
    3,389.84/5,084.60 = 1,414.66/x
  3. Step 3: Cross multiply
    3,389.84x = 5,084.60 × 1,414.66
  4. Step 4: Simplify right side
    3,389.84x = 7,192,980.24
  5. Step 5: Solve for x
    x = 7,192,980.24/3,389.84
  6. Step 6: Final answer
    x = 2,121.92

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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.