Home / 3,680.58-5,521.56-1,216.11

Finding the Fourth Proportional to 3,680.58, 5,521.56 and 1,216.11

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Solution

The fourth proportional to 3,680.58, 5,521.56 and 1,216.11 is: 1,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.58 : 5,521.56 = 1,216.11 : x
  2. Step 2: Convert to fraction form
    3,680.58/5,521.56 = 1,216.11/x
  3. Step 3: Cross multiply
    3,680.58x = 5,521.56 × 1,216.11
  4. Step 4: Simplify right side
    3,680.58x = 6,714,824.33
  5. Step 5: Solve for x
    x = 6,714,824.33/3,680.58
  6. Step 6: Final answer
    x = 1,824.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.