Home / 2,618.08-3,932.58-2,208.01

Finding the Fourth Proportional to 2,618.08, 3,932.58 and 2,208.01

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Solution

The fourth proportional to 2,618.08, 3,932.58 and 2,208.01 is: 3,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.08 : 3,932.58 = 2,208.01 : x
  2. Step 2: Convert to fraction form
    2,618.08/3,932.58 = 2,208.01/x
  3. Step 3: Cross multiply
    2,618.08x = 3,932.58 × 2,208.01
  4. Step 4: Simplify right side
    2,618.08x = 8,683,175.97
  5. Step 5: Solve for x
    x = 8,683,175.97/2,618.08
  6. Step 6: Final answer
    x = 3,316.62

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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.