Home / 3,388.10-5,082.15-2,225.45

Finding the Fourth Proportional to 3,388.10, 5,082.15 and 2,225.45

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Solution

The fourth proportional to 3,388.10, 5,082.15 and 2,225.45 is: 3,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.10 : 5,082.15 = 2,225.45 : x
  2. Step 2: Convert to fraction form
    3,388.10/5,082.15 = 2,225.45/x
  3. Step 3: Cross multiply
    3,388.10x = 5,082.15 × 2,225.45
  4. Step 4: Simplify right side
    3,388.10x = 11,310,070.72
  5. Step 5: Solve for x
    x = 11,310,070.72/3,388.10
  6. Step 6: Final answer
    x = 3,338.18

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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.