Home / 3,277.18-4,915.78-1,086.08

Finding the Fourth Proportional to 3,277.18, 4,915.78 and 1,086.08

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Solution

The fourth proportional to 3,277.18, 4,915.78 and 1,086.08 is: 1,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.18 : 4,915.78 = 1,086.08 : x
  2. Step 2: Convert to fraction form
    3,277.18/4,915.78 = 1,086.08/x
  3. Step 3: Cross multiply
    3,277.18x = 4,915.78 × 1,086.08
  4. Step 4: Simplify right side
    3,277.18x = 5,338,930.34
  5. Step 5: Solve for x
    x = 5,338,930.34/3,277.18
  6. Step 6: Final answer
    x = 1,629.12

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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.