Home / 3,803.71-5,251.53-2,388.08

Finding the Fourth Proportional to 3,803.71, 5,251.53 and 2,388.08

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Solution

The fourth proportional to 3,803.71, 5,251.53 and 2,388.08 is: 3,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.71 : 5,251.53 = 2,388.08 : x
  2. Step 2: Convert to fraction form
    3,803.71/5,251.53 = 2,388.08/x
  3. Step 3: Cross multiply
    3,803.71x = 5,251.53 × 2,388.08
  4. Step 4: Simplify right side
    3,803.71x = 12,541,095.85
  5. Step 5: Solve for x
    x = 12,541,095.85/3,803.71
  6. Step 6: Final answer
    x = 3,297.07

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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.