Home / 3,683.13-5,082.71-2,112.13

Finding the Fourth Proportional to 3,683.13, 5,082.71 and 2,112.13

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Solution

The fourth proportional to 3,683.13, 5,082.71 and 2,112.13 is: 2,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.13 : 5,082.71 = 2,112.13 : x
  2. Step 2: Convert to fraction form
    3,683.13/5,082.71 = 2,112.13/x
  3. Step 3: Cross multiply
    3,683.13x = 5,082.71 × 2,112.13
  4. Step 4: Simplify right side
    3,683.13x = 10,735,344.27
  5. Step 5: Solve for x
    x = 10,735,344.27/3,683.13
  6. Step 6: Final answer
    x = 2,914.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.