Home / 2,158.49-3,232.87-1,512.11

Finding the Fourth Proportional to 2,158.49, 3,232.87 and 1,512.11

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Solution

The fourth proportional to 2,158.49, 3,232.87 and 1,512.11 is: 2,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.49 : 3,232.87 = 1,512.11 : x
  2. Step 2: Convert to fraction form
    2,158.49/3,232.87 = 1,512.11/x
  3. Step 3: Cross multiply
    2,158.49x = 3,232.87 × 1,512.11
  4. Step 4: Simplify right side
    2,158.49x = 4,888,435.11
  5. Step 5: Solve for x
    x = 4,888,435.11/2,158.49
  6. Step 6: Final answer
    x = 2,264.75

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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.