Home / 3,381.10-5,046.05-3,102.20

Finding the Fourth Proportional to 3,381.10, 5,046.05 and 3,102.20

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Solution

The fourth proportional to 3,381.10, 5,046.05 and 3,102.20 is: 4,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.10 : 5,046.05 = 3,102.20 : x
  2. Step 2: Convert to fraction form
    3,381.10/5,046.05 = 3,102.20/x
  3. Step 3: Cross multiply
    3,381.10x = 5,046.05 × 3,102.20
  4. Step 4: Simplify right side
    3,381.10x = 15,653,856.31
  5. Step 5: Solve for x
    x = 15,653,856.31/3,381.10
  6. Step 6: Final answer
    x = 4,629.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.