Home / 3,683.28-5,083.36-2,111.88

Finding the Fourth Proportional to 3,683.28, 5,083.36 and 2,111.88

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Solution

The fourth proportional to 3,683.28, 5,083.36 and 2,111.88 is: 2,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.28 : 5,083.36 = 2,111.88 : x
  2. Step 2: Convert to fraction form
    3,683.28/5,083.36 = 2,111.88/x
  3. Step 3: Cross multiply
    3,683.28x = 5,083.36 × 2,111.88
  4. Step 4: Simplify right side
    3,683.28x = 10,735,446.32
  5. Step 5: Solve for x
    x = 10,735,446.32/3,683.28
  6. Step 6: Final answer
    x = 2,914.64

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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.