Home / 3,236.68-4,854.21-1,388.26

Finding the Fourth Proportional to 3,236.68, 4,854.21 and 1,388.26

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Solution

The fourth proportional to 3,236.68, 4,854.21 and 1,388.26 is: 2,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.68 : 4,854.21 = 1,388.26 : x
  2. Step 2: Convert to fraction form
    3,236.68/4,854.21 = 1,388.26/x
  3. Step 3: Cross multiply
    3,236.68x = 4,854.21 × 1,388.26
  4. Step 4: Simplify right side
    3,236.68x = 6,738,905.57
  5. Step 5: Solve for x
    x = 6,738,905.57/3,236.68
  6. Step 6: Final answer
    x = 2,082.04

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1.5x scale

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.