Home / 2,252.49-3,375.31-1,428.25

Finding the Fourth Proportional to 2,252.49, 3,375.31 and 1,428.25

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Solution

The fourth proportional to 2,252.49, 3,375.31 and 1,428.25 is: 2,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.49 : 3,375.31 = 1,428.25 : x
  2. Step 2: Convert to fraction form
    2,252.49/3,375.31 = 1,428.25/x
  3. Step 3: Cross multiply
    2,252.49x = 3,375.31 × 1,428.25
  4. Step 4: Simplify right side
    2,252.49x = 4,820,774.50
  5. Step 5: Solve for x
    x = 4,820,774.50/2,252.49
  6. Step 6: Final answer
    x = 2,140.20

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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.