Home / 3,926.48-5,423.36-2,936.17

Finding the Fourth Proportional to 3,926.48, 5,423.36 and 2,936.17

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Solution

The fourth proportional to 3,926.48, 5,423.36 and 2,936.17 is: 4,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.48 : 5,423.36 = 2,936.17 : x
  2. Step 2: Convert to fraction form
    3,926.48/5,423.36 = 2,936.17/x
  3. Step 3: Cross multiply
    3,926.48x = 5,423.36 × 2,936.17
  4. Step 4: Simplify right side
    3,926.48x = 15,923,878.69
  5. Step 5: Solve for x
    x = 15,923,878.69/3,926.48
  6. Step 6: Final answer
    x = 4,055.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.