Home / 3,311.56-4,943.64-3,196.13

Finding the Fourth Proportional to 3,311.56, 4,943.64 and 3,196.13

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Solution

The fourth proportional to 3,311.56, 4,943.64 and 3,196.13 is: 4,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.56 : 4,943.64 = 3,196.13 : x
  2. Step 2: Convert to fraction form
    3,311.56/4,943.64 = 3,196.13/x
  3. Step 3: Cross multiply
    3,311.56x = 4,943.64 × 3,196.13
  4. Step 4: Simplify right side
    3,311.56x = 15,800,516.11
  5. Step 5: Solve for x
    x = 15,800,516.11/3,311.56
  6. Step 6: Final answer
    x = 4,771.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.