Home / 3,277.28-4,915.08-1,085.36

Finding the Fourth Proportional to 3,277.28, 4,915.08 and 1,085.36

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Solution

The fourth proportional to 3,277.28, 4,915.08 and 1,085.36 is: 1,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.28 : 4,915.08 = 1,085.36 : x
  2. Step 2: Convert to fraction form
    3,277.28/4,915.08 = 1,085.36/x
  3. Step 3: Cross multiply
    3,277.28x = 4,915.08 × 1,085.36
  4. Step 4: Simplify right side
    3,277.28x = 5,334,631.23
  5. Step 5: Solve for x
    x = 5,334,631.23/3,277.28
  6. Step 6: Final answer
    x = 1,627.76

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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.