Home / 3,207-4,423.23-2,213.94

Finding the Fourth Proportional to 3,207, 4,423.23 and 2,213.94

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Solution

The fourth proportional to 3,207, 4,423.23 and 2,213.94 is: 3,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207 : 4,423.23 = 2,213.94 : x
  2. Step 2: Convert to fraction form
    3,207/4,423.23 = 2,213.94/x
  3. Step 3: Cross multiply
    3,207x = 4,423.23 × 2,213.94
  4. Step 4: Simplify right side
    3,207x = 9,792,765.83
  5. Step 5: Solve for x
    x = 9,792,765.83/3,207
  6. Step 6: Final answer
    x = 3,053.56

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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.