Home / 3,769.64-5,655.11-1,270.59

Finding the Fourth Proportional to 3,769.64, 5,655.11 and 1,270.59

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Solution

The fourth proportional to 3,769.64, 5,655.11 and 1,270.59 is: 1,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.64 : 5,655.11 = 1,270.59 : x
  2. Step 2: Convert to fraction form
    3,769.64/5,655.11 = 1,270.59/x
  3. Step 3: Cross multiply
    3,769.64x = 5,655.11 × 1,270.59
  4. Step 4: Simplify right side
    3,769.64x = 7,185,326.21
  5. Step 5: Solve for x
    x = 7,185,326.21/3,769.64
  6. Step 6: Final answer
    x = 1,906.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.