Home / 2,179.69-3,270.97-1,025.53

Finding the Fourth Proportional to 2,179.69, 3,270.97 and 1,025.53

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Solution

The fourth proportional to 2,179.69, 3,270.97 and 1,025.53 is: 1,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.69 : 3,270.97 = 1,025.53 : x
  2. Step 2: Convert to fraction form
    2,179.69/3,270.97 = 1,025.53/x
  3. Step 3: Cross multiply
    2,179.69x = 3,270.97 × 1,025.53
  4. Step 4: Simplify right side
    2,179.69x = 3,354,470.97
  5. Step 5: Solve for x
    x = 3,354,470.97/2,179.69
  6. Step 6: Final answer
    x = 1,538.97

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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.