Home / 3,683.92-5,084.24-2,112.32

Finding the Fourth Proportional to 3,683.92, 5,084.24 and 2,112.32

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Solution

The fourth proportional to 3,683.92, 5,084.24 and 2,112.32 is: 2,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.92 : 5,084.24 = 2,112.32 : x
  2. Step 2: Convert to fraction form
    3,683.92/5,084.24 = 2,112.32/x
  3. Step 3: Cross multiply
    3,683.92x = 5,084.24 × 2,112.32
  4. Step 4: Simplify right side
    3,683.92x = 10,739,541.84
  5. Step 5: Solve for x
    x = 10,739,541.84/3,683.92
  6. Step 6: Final answer
    x = 2,915.25

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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.