Home / 3,936.40-5,910.06-2,088.38

Finding the Fourth Proportional to 3,936.40, 5,910.06 and 2,088.38

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Solution

The fourth proportional to 3,936.40, 5,910.06 and 2,088.38 is: 3,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.40 : 5,910.06 = 2,088.38 : x
  2. Step 2: Convert to fraction form
    3,936.40/5,910.06 = 2,088.38/x
  3. Step 3: Cross multiply
    3,936.40x = 5,910.06 × 2,088.38
  4. Step 4: Simplify right side
    3,936.40x = 12,342,473.71
  5. Step 5: Solve for x
    x = 12,342,473.71/3,936.40
  6. Step 6: Final answer
    x = 3,135.47

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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.