Home / 3,352.40-5,021.28-1,617.38

Finding the Fourth Proportional to 3,352.40, 5,021.28 and 1,617.38

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Solution

The fourth proportional to 3,352.40, 5,021.28 and 1,617.38 is: 2,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.40 : 5,021.28 = 1,617.38 : x
  2. Step 2: Convert to fraction form
    3,352.40/5,021.28 = 1,617.38/x
  3. Step 3: Cross multiply
    3,352.40x = 5,021.28 × 1,617.38
  4. Step 4: Simplify right side
    3,352.40x = 8,121,292.74
  5. Step 5: Solve for x
    x = 8,121,292.74/3,352.40
  6. Step 6: Final answer
    x = 2,422.53

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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.