Home / 2,179.36-3,270.56-1,083.52

Finding the Fourth Proportional to 2,179.36, 3,270.56 and 1,083.52

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Solution

The fourth proportional to 2,179.36, 3,270.56 and 1,083.52 is: 1,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.36 : 3,270.56 = 1,083.52 : x
  2. Step 2: Convert to fraction form
    2,179.36/3,270.56 = 1,083.52/x
  3. Step 3: Cross multiply
    2,179.36x = 3,270.56 × 1,083.52
  4. Step 4: Simplify right side
    2,179.36x = 3,543,717.17
  5. Step 5: Solve for x
    x = 3,543,717.17/2,179.36
  6. Step 6: Final answer
    x = 1,626.04

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1.5x scale

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.