Home / 2,001.72-3,008.25-1,180.38

Finding the Fourth Proportional to 2,001.72, 3,008.25 and 1,180.38

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Solution

The fourth proportional to 2,001.72, 3,008.25 and 1,180.38 is: 1,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.72 : 3,008.25 = 1,180.38 : x
  2. Step 2: Convert to fraction form
    2,001.72/3,008.25 = 1,180.38/x
  3. Step 3: Cross multiply
    2,001.72x = 3,008.25 × 1,180.38
  4. Step 4: Simplify right side
    2,001.72x = 3,550,878.14
  5. Step 5: Solve for x
    x = 3,550,878.14/2,001.72
  6. Step 6: Final answer
    x = 1,773.91

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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.