Home / 3,423.70-5,135.91-1,084.03

Finding the Fourth Proportional to 3,423.70, 5,135.91 and 1,084.03

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Solution

The fourth proportional to 3,423.70, 5,135.91 and 1,084.03 is: 1,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.70 : 5,135.91 = 1,084.03 : x
  2. Step 2: Convert to fraction form
    3,423.70/5,135.91 = 1,084.03/x
  3. Step 3: Cross multiply
    3,423.70x = 5,135.91 × 1,084.03
  4. Step 4: Simplify right side
    3,423.70x = 5,567,454.84
  5. Step 5: Solve for x
    x = 5,567,454.84/3,423.70
  6. Step 6: Final answer
    x = 1,626.15

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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.