Home / 3,153.97-4,352.41-1,975.69

Finding the Fourth Proportional to 3,153.97, 4,352.41 and 1,975.69

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Solution

The fourth proportional to 3,153.97, 4,352.41 and 1,975.69 is: 2,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.97 : 4,352.41 = 1,975.69 : x
  2. Step 2: Convert to fraction form
    3,153.97/4,352.41 = 1,975.69/x
  3. Step 3: Cross multiply
    3,153.97x = 4,352.41 × 1,975.69
  4. Step 4: Simplify right side
    3,153.97x = 8,599,020.82
  5. Step 5: Solve for x
    x = 8,599,020.82/3,153.97
  6. Step 6: Final answer
    x = 2,726.41

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Double scale
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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.