Home / 3,939.05-5,908.97-1,017.38

Finding the Fourth Proportional to 3,939.05, 5,908.97 and 1,017.38

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Solution

The fourth proportional to 3,939.05, 5,908.97 and 1,017.38 is: 1,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.05 : 5,908.97 = 1,017.38 : x
  2. Step 2: Convert to fraction form
    3,939.05/5,908.97 = 1,017.38/x
  3. Step 3: Cross multiply
    3,939.05x = 5,908.97 × 1,017.38
  4. Step 4: Simplify right side
    3,939.05x = 6,011,685.21
  5. Step 5: Solve for x
    x = 6,011,685.21/3,939.05
  6. Step 6: Final answer
    x = 1,526.18

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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.