Home / 3,523.78-4,860-2,405.98

Finding the Fourth Proportional to 3,523.78, 4,860 and 2,405.98

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Solution

The fourth proportional to 3,523.78, 4,860 and 2,405.98 is: 3,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.78 : 4,860 = 2,405.98 : x
  2. Step 2: Convert to fraction form
    3,523.78/4,860 = 2,405.98/x
  3. Step 3: Cross multiply
    3,523.78x = 4,860 × 2,405.98
  4. Step 4: Simplify right side
    3,523.78x = 11,693,062.80
  5. Step 5: Solve for x
    x = 11,693,062.80/3,523.78
  6. Step 6: Final answer
    x = 3,318.33

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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.