Home / 2,001.51-3,001.66-1,179.56

Finding the Fourth Proportional to 2,001.51, 3,001.66 and 1,179.56

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Solution

The fourth proportional to 2,001.51, 3,001.66 and 1,179.56 is: 1,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.51 : 3,001.66 = 1,179.56 : x
  2. Step 2: Convert to fraction form
    2,001.51/3,001.66 = 1,179.56/x
  3. Step 3: Cross multiply
    2,001.51x = 3,001.66 × 1,179.56
  4. Step 4: Simplify right side
    2,001.51x = 3,540,642.62
  5. Step 5: Solve for x
    x = 3,540,642.62/2,001.51
  6. Step 6: Final answer
    x = 1,768.99

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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.