Home / 3,683.10-5,082.66-2,111.19

Finding the Fourth Proportional to 3,683.10, 5,082.66 and 2,111.19

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Solution

The fourth proportional to 3,683.10, 5,082.66 and 2,111.19 is: 2,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.10 : 5,082.66 = 2,111.19 : x
  2. Step 2: Convert to fraction form
    3,683.10/5,082.66 = 2,111.19/x
  3. Step 3: Cross multiply
    3,683.10x = 5,082.66 × 2,111.19
  4. Step 4: Simplify right side
    3,683.10x = 10,730,460.97
  5. Step 5: Solve for x
    x = 10,730,460.97/3,683.10
  6. Step 6: Final answer
    x = 2,913.43

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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.