Home / 2,132.62-3,196.98-1,805.66

Finding the Fourth Proportional to 2,132.62, 3,196.98 and 1,805.66

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Solution

The fourth proportional to 2,132.62, 3,196.98 and 1,805.66 is: 2,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.62 : 3,196.98 = 1,805.66 : x
  2. Step 2: Convert to fraction form
    2,132.62/3,196.98 = 1,805.66/x
  3. Step 3: Cross multiply
    2,132.62x = 3,196.98 × 1,805.66
  4. Step 4: Simplify right side
    2,132.62x = 5,772,652.77
  5. Step 5: Solve for x
    x = 5,772,652.77/2,132.62
  6. Step 6: Final answer
    x = 2,706.84

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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.