Home / 3,277.06-4,916.43-1,086.40

Finding the Fourth Proportional to 3,277.06, 4,916.43 and 1,086.40

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Solution

The fourth proportional to 3,277.06, 4,916.43 and 1,086.40 is: 1,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.06 : 4,916.43 = 1,086.40 : x
  2. Step 2: Convert to fraction form
    3,277.06/4,916.43 = 1,086.40/x
  3. Step 3: Cross multiply
    3,277.06x = 4,916.43 × 1,086.40
  4. Step 4: Simplify right side
    3,277.06x = 5,341,209.55
  5. Step 5: Solve for x
    x = 5,341,209.55/3,277.06
  6. Step 6: Final answer
    x = 1,629.88

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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.