Home / 3,769.50-5,202.04-2,277.12

Finding the Fourth Proportional to 3,769.50, 5,202.04 and 2,277.12

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Solution

The fourth proportional to 3,769.50, 5,202.04 and 2,277.12 is: 3,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.50 : 5,202.04 = 2,277.12 : x
  2. Step 2: Convert to fraction form
    3,769.50/5,202.04 = 2,277.12/x
  3. Step 3: Cross multiply
    3,769.50x = 5,202.04 × 2,277.12
  4. Step 4: Simplify right side
    3,769.50x = 11,845,669.32
  5. Step 5: Solve for x
    x = 11,845,669.32/3,769.50
  6. Step 6: Final answer
    x = 3,142.50

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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.