Home / 3,883.85-5,362.87-3,166.14

Finding the Fourth Proportional to 3,883.85, 5,362.87 and 3,166.14

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Solution

The fourth proportional to 3,883.85, 5,362.87 and 3,166.14 is: 4,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.85 : 5,362.87 = 3,166.14 : x
  2. Step 2: Convert to fraction form
    3,883.85/5,362.87 = 3,166.14/x
  3. Step 3: Cross multiply
    3,883.85x = 5,362.87 × 3,166.14
  4. Step 4: Simplify right side
    3,883.85x = 16,979,612.26
  5. Step 5: Solve for x
    x = 16,979,612.26/3,883.85
  6. Step 6: Final answer
    x = 4,371.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.