Home / 3,236.72-4,856.49-1,388.03

Finding the Fourth Proportional to 3,236.72, 4,856.49 and 1,388.03

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Solution

The fourth proportional to 3,236.72, 4,856.49 and 1,388.03 is: 2,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.72 : 4,856.49 = 1,388.03 : x
  2. Step 2: Convert to fraction form
    3,236.72/4,856.49 = 1,388.03/x
  3. Step 3: Cross multiply
    3,236.72x = 4,856.49 × 1,388.03
  4. Step 4: Simplify right side
    3,236.72x = 6,740,929.53
  5. Step 5: Solve for x
    x = 6,740,929.53/3,236.72
  6. Step 6: Final answer
    x = 2,082.65

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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.