Home / 3,890.32-5,368.04-2,234

Finding the Fourth Proportional to 3,890.32, 5,368.04 and 2,234

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Solution

The fourth proportional to 3,890.32, 5,368.04 and 2,234 is: 3,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.32 : 5,368.04 = 2,234 : x
  2. Step 2: Convert to fraction form
    3,890.32/5,368.04 = 2,234/x
  3. Step 3: Cross multiply
    3,890.32x = 5,368.04 × 2,234
  4. Step 4: Simplify right side
    3,890.32x = 11,992,201.36
  5. Step 5: Solve for x
    x = 11,992,201.36/3,890.32
  6. Step 6: Final answer
    x = 3,082.57

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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.