Home / 2,252.98-3,112.12-1,812.54

Finding the Fourth Proportional to 2,252.98, 3,112.12 and 1,812.54

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Solution

The fourth proportional to 2,252.98, 3,112.12 and 1,812.54 is: 2,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.98 : 3,112.12 = 1,812.54 : x
  2. Step 2: Convert to fraction form
    2,252.98/3,112.12 = 1,812.54/x
  3. Step 3: Cross multiply
    2,252.98x = 3,112.12 × 1,812.54
  4. Step 4: Simplify right side
    2,252.98x = 5,640,841.98
  5. Step 5: Solve for x
    x = 5,640,841.98/2,252.98
  6. Step 6: Final answer
    x = 2,503.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.