Home / 3,939.13-5,908.81-1,017.44

Finding the Fourth Proportional to 3,939.13, 5,908.81 and 1,017.44

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Solution

The fourth proportional to 3,939.13, 5,908.81 and 1,017.44 is: 1,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.13 : 5,908.81 = 1,017.44 : x
  2. Step 2: Convert to fraction form
    3,939.13/5,908.81 = 1,017.44/x
  3. Step 3: Cross multiply
    3,939.13x = 5,908.81 × 1,017.44
  4. Step 4: Simplify right side
    3,939.13x = 6,011,859.65
  5. Step 5: Solve for x
    x = 6,011,859.65/3,939.13
  6. Step 6: Final answer
    x = 1,526.19

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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.