Home / 2,169.09-2,993.36-1,174.39

Finding the Fourth Proportional to 2,169.09, 2,993.36 and 1,174.39

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Solution

The fourth proportional to 2,169.09, 2,993.36 and 1,174.39 is: 1,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.09 : 2,993.36 = 1,174.39 : x
  2. Step 2: Convert to fraction form
    2,169.09/2,993.36 = 1,174.39/x
  3. Step 3: Cross multiply
    2,169.09x = 2,993.36 × 1,174.39
  4. Step 4: Simplify right side
    2,169.09x = 3,515,358.70
  5. Step 5: Solve for x
    x = 3,515,358.70/2,169.09
  6. Step 6: Final answer
    x = 1,620.66

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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.