Home / 3,939.51-5,910.06-1,166.12

Finding the Fourth Proportional to 3,939.51, 5,910.06 and 1,166.12

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Solution

The fourth proportional to 3,939.51, 5,910.06 and 1,166.12 is: 1,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.51 : 5,910.06 = 1,166.12 : x
  2. Step 2: Convert to fraction form
    3,939.51/5,910.06 = 1,166.12/x
  3. Step 3: Cross multiply
    3,939.51x = 5,910.06 × 1,166.12
  4. Step 4: Simplify right side
    3,939.51x = 6,891,836.15
  5. Step 5: Solve for x
    x = 6,891,836.15/3,939.51
  6. Step 6: Final answer
    x = 1,749.41

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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.