Home / 3,803.21-5,248.47-2,231.33

Finding the Fourth Proportional to 3,803.21, 5,248.47 and 2,231.33

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Solution

The fourth proportional to 3,803.21, 5,248.47 and 2,231.33 is: 3,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.21 : 5,248.47 = 2,231.33 : x
  2. Step 2: Convert to fraction form
    3,803.21/5,248.47 = 2,231.33/x
  3. Step 3: Cross multiply
    3,803.21x = 5,248.47 × 2,231.33
  4. Step 4: Simplify right side
    3,803.21x = 11,711,068.57
  5. Step 5: Solve for x
    x = 11,711,068.57/3,803.21
  6. Step 6: Final answer
    x = 3,079.26

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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.