Home / 1,333.68-2,001.33-1,161.69

Finding the Fourth Proportional to 1,333.68, 2,001.33 and 1,161.69

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Solution

The fourth proportional to 1,333.68, 2,001.33 and 1,161.69 is: 1,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.68 : 2,001.33 = 1,161.69 : x
  2. Step 2: Convert to fraction form
    1,333.68/2,001.33 = 1,161.69/x
  3. Step 3: Cross multiply
    1,333.68x = 2,001.33 × 1,161.69
  4. Step 4: Simplify right side
    1,333.68x = 2,324,925.05
  5. Step 5: Solve for x
    x = 2,324,925.05/1,333.68
  6. Step 6: Final answer
    x = 1,743.24

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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.