Home / 3,942.10-5,903.84-3,314.35

Finding the Fourth Proportional to 3,942.10, 5,903.84 and 3,314.35

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Solution

The fourth proportional to 3,942.10, 5,903.84 and 3,314.35 is: 4,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.10 : 5,903.84 = 3,314.35 : x
  2. Step 2: Convert to fraction form
    3,942.10/5,903.84 = 3,314.35/x
  3. Step 3: Cross multiply
    3,942.10x = 5,903.84 × 3,314.35
  4. Step 4: Simplify right side
    3,942.10x = 19,567,375.53
  5. Step 5: Solve for x
    x = 19,567,375.53/3,942.10
  6. Step 6: Final answer
    x = 4,963.69

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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.