Home / 3,802.61-5,247.78-2,310.68

Finding the Fourth Proportional to 3,802.61, 5,247.78 and 2,310.68

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Solution

The fourth proportional to 3,802.61, 5,247.78 and 2,310.68 is: 3,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.61 : 5,247.78 = 2,310.68 : x
  2. Step 2: Convert to fraction form
    3,802.61/5,247.78 = 2,310.68/x
  3. Step 3: Cross multiply
    3,802.61x = 5,247.78 × 2,310.68
  4. Step 4: Simplify right side
    3,802.61x = 12,125,940.29
  5. Step 5: Solve for x
    x = 12,125,940.29/3,802.61
  6. Step 6: Final answer
    x = 3,188.85

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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.