Home / 3,238.06-4,856.06-1,388.68

Finding the Fourth Proportional to 3,238.06, 4,856.06 and 1,388.68

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Solution

The fourth proportional to 3,238.06, 4,856.06 and 1,388.68 is: 2,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.06 : 4,856.06 = 1,388.68 : x
  2. Step 2: Convert to fraction form
    3,238.06/4,856.06 = 1,388.68/x
  3. Step 3: Cross multiply
    3,238.06x = 4,856.06 × 1,388.68
  4. Step 4: Simplify right side
    3,238.06x = 6,743,527.17
  5. Step 5: Solve for x
    x = 6,743,527.17/3,238.06
  6. Step 6: Final answer
    x = 2,082.58

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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.