Home / 3,489.18-5,232.43-1,408.46

Finding the Fourth Proportional to 3,489.18, 5,232.43 and 1,408.46

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Solution

The fourth proportional to 3,489.18, 5,232.43 and 1,408.46 is: 2,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.18 : 5,232.43 = 1,408.46 : x
  2. Step 2: Convert to fraction form
    3,489.18/5,232.43 = 1,408.46/x
  3. Step 3: Cross multiply
    3,489.18x = 5,232.43 × 1,408.46
  4. Step 4: Simplify right side
    3,489.18x = 7,369,668.36
  5. Step 5: Solve for x
    x = 7,369,668.36/3,489.18
  6. Step 6: Final answer
    x = 2,112.15

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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.