Home / 3,939.15-5,908.95-1,017.38

Finding the Fourth Proportional to 3,939.15, 5,908.95 and 1,017.38

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Solution

The fourth proportional to 3,939.15, 5,908.95 and 1,017.38 is: 1,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.15 : 5,908.95 = 1,017.38 : x
  2. Step 2: Convert to fraction form
    3,939.15/5,908.95 = 1,017.38/x
  3. Step 3: Cross multiply
    3,939.15x = 5,908.95 × 1,017.38
  4. Step 4: Simplify right side
    3,939.15x = 6,011,618.01
  5. Step 5: Solve for x
    x = 6,011,618.01/3,939.15
  6. Step 6: Final answer
    x = 1,526.12

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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.