Home / 3,771.84-5,202.72-2,372.16

Finding the Fourth Proportional to 3,771.84, 5,202.72 and 2,372.16

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Solution

The fourth proportional to 3,771.84, 5,202.72 and 2,372.16 is: 3,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.84 : 5,202.72 = 2,372.16 : x
  2. Step 2: Convert to fraction form
    3,771.84/5,202.72 = 2,372.16/x
  3. Step 3: Cross multiply
    3,771.84x = 5,202.72 × 2,372.16
  4. Step 4: Simplify right side
    3,771.84x = 12,341,684.28
  5. Step 5: Solve for x
    x = 12,341,684.28/3,771.84
  6. Step 6: Final answer
    x = 3,272.06

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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.