Home / 2,408.28-3,616.35-1,489.69

Finding the Fourth Proportional to 2,408.28, 3,616.35 and 1,489.69

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Solution

The fourth proportional to 2,408.28, 3,616.35 and 1,489.69 is: 2,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.28 : 3,616.35 = 1,489.69 : x
  2. Step 2: Convert to fraction form
    2,408.28/3,616.35 = 1,489.69/x
  3. Step 3: Cross multiply
    2,408.28x = 3,616.35 × 1,489.69
  4. Step 4: Simplify right side
    2,408.28x = 5,387,239.37
  5. Step 5: Solve for x
    x = 5,387,239.37/2,408.28
  6. Step 6: Final answer
    x = 2,236.96

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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.