Home / 3,935.50-5,431.74-2,342.50

Finding the Fourth Proportional to 3,935.50, 5,431.74 and 2,342.50

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Solution

The fourth proportional to 3,935.50, 5,431.74 and 2,342.50 is: 3,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.50 : 5,431.74 = 2,342.50 : x
  2. Step 2: Convert to fraction form
    3,935.50/5,431.74 = 2,342.50/x
  3. Step 3: Cross multiply
    3,935.50x = 5,431.74 × 2,342.50
  4. Step 4: Simplify right side
    3,935.50x = 12,723,850.95
  5. Step 5: Solve for x
    x = 12,723,850.95/3,935.50
  6. Step 6: Final answer
    x = 3,233.10

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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.