Home / 2,552.40-3,821.31-1,672.02

Finding the Fourth Proportional to 2,552.40, 3,821.31 and 1,672.02

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Solution

The fourth proportional to 2,552.40, 3,821.31 and 1,672.02 is: 2,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.40 : 3,821.31 = 1,672.02 : x
  2. Step 2: Convert to fraction form
    2,552.40/3,821.31 = 1,672.02/x
  3. Step 3: Cross multiply
    2,552.40x = 3,821.31 × 1,672.02
  4. Step 4: Simplify right side
    2,552.40x = 6,389,306.75
  5. Step 5: Solve for x
    x = 6,389,306.75/2,552.40
  6. Step 6: Final answer
    x = 2,503.25

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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.