Home / 3,821.18-5,735.79-3,385.13

Finding the Fourth Proportional to 3,821.18, 5,735.79 and 3,385.13

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Solution

The fourth proportional to 3,821.18, 5,735.79 and 3,385.13 is: 5,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.18 : 5,735.79 = 3,385.13 : x
  2. Step 2: Convert to fraction form
    3,821.18/5,735.79 = 3,385.13/x
  3. Step 3: Cross multiply
    3,821.18x = 5,735.79 × 3,385.13
  4. Step 4: Simplify right side
    3,821.18x = 19,416,366.12
  5. Step 5: Solve for x
    x = 19,416,366.12/3,821.18
  6. Step 6: Final answer
    x = 5,081.26

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1.5x scale

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.