Home / 4,078.67-5,628.78-2,310.62

Finding the Fourth Proportional to 4,078.67, 5,628.78 and 2,310.62

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Solution

The fourth proportional to 4,078.67, 5,628.78 and 2,310.62 is: 3,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.67 : 5,628.78 = 2,310.62 : x
  2. Step 2: Convert to fraction form
    4,078.67/5,628.78 = 2,310.62/x
  3. Step 3: Cross multiply
    4,078.67x = 5,628.78 × 2,310.62
  4. Step 4: Simplify right side
    4,078.67x = 13,005,943.50
  5. Step 5: Solve for x
    x = 13,005,943.50/4,078.67
  6. Step 6: Final answer
    x = 3,188.77

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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.