Home / 3,767.40-5,200.32-2,720.04

Finding the Fourth Proportional to 3,767.40, 5,200.32 and 2,720.04

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Solution

The fourth proportional to 3,767.40, 5,200.32 and 2,720.04 is: 3,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.40 : 5,200.32 = 2,720.04 : x
  2. Step 2: Convert to fraction form
    3,767.40/5,200.32 = 2,720.04/x
  3. Step 3: Cross multiply
    3,767.40x = 5,200.32 × 2,720.04
  4. Step 4: Simplify right side
    3,767.40x = 14,145,078.41
  5. Step 5: Solve for x
    x = 14,145,078.41/3,767.40
  6. Step 6: Final answer
    x = 3,754.60

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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.