Home / 3,926.02-5,422.70-2,935.69

Finding the Fourth Proportional to 3,926.02, 5,422.70 and 2,935.69

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Solution

The fourth proportional to 3,926.02, 5,422.70 and 2,935.69 is: 4,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.02 : 5,422.70 = 2,935.69 : x
  2. Step 2: Convert to fraction form
    3,926.02/5,422.70 = 2,935.69/x
  3. Step 3: Cross multiply
    3,926.02x = 5,422.70 × 2,935.69
  4. Step 4: Simplify right side
    3,926.02x = 15,919,373.93
  5. Step 5: Solve for x
    x = 15,919,373.93/3,926.02
  6. Step 6: Final answer
    x = 4,054.84

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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.