Home / 3,282.22-4,916.85-1,986.22

Finding the Fourth Proportional to 3,282.22, 4,916.85 and 1,986.22

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Solution

The fourth proportional to 3,282.22, 4,916.85 and 1,986.22 is: 2,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.22 : 4,916.85 = 1,986.22 : x
  2. Step 2: Convert to fraction form
    3,282.22/4,916.85 = 1,986.22/x
  3. Step 3: Cross multiply
    3,282.22x = 4,916.85 × 1,986.22
  4. Step 4: Simplify right side
    3,282.22x = 9,765,945.81
  5. Step 5: Solve for x
    x = 9,765,945.81/3,282.22
  6. Step 6: Final answer
    x = 2,975.41

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1.5x scale

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.