Home / 3,754.72-5,179.08-2,261.56

Finding the Fourth Proportional to 3,754.72, 5,179.08 and 2,261.56

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Solution

The fourth proportional to 3,754.72, 5,179.08 and 2,261.56 is: 3,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.72 : 5,179.08 = 2,261.56 : x
  2. Step 2: Convert to fraction form
    3,754.72/5,179.08 = 2,261.56/x
  3. Step 3: Cross multiply
    3,754.72x = 5,179.08 × 2,261.56
  4. Step 4: Simplify right side
    3,754.72x = 11,712,800.16
  5. Step 5: Solve for x
    x = 11,712,800.16/3,754.72
  6. Step 6: Final answer
    x = 3,119.49

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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.