Home / 3,769.77-5,202.12-2,091.13

Finding the Fourth Proportional to 3,769.77, 5,202.12 and 2,091.13

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Solution

The fourth proportional to 3,769.77, 5,202.12 and 2,091.13 is: 2,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.77 : 5,202.12 = 2,091.13 : x
  2. Step 2: Convert to fraction form
    3,769.77/5,202.12 = 2,091.13/x
  3. Step 3: Cross multiply
    3,769.77x = 5,202.12 × 2,091.13
  4. Step 4: Simplify right side
    3,769.77x = 10,878,309.20
  5. Step 5: Solve for x
    x = 10,878,309.20/3,769.77
  6. Step 6: Final answer
    x = 2,885.67

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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.