Home / 3,765.58-5,642.19-2,667.98

Finding the Fourth Proportional to 3,765.58, 5,642.19 and 2,667.98

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Solution

The fourth proportional to 3,765.58, 5,642.19 and 2,667.98 is: 3,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.58 : 5,642.19 = 2,667.98 : x
  2. Step 2: Convert to fraction form
    3,765.58/5,642.19 = 2,667.98/x
  3. Step 3: Cross multiply
    3,765.58x = 5,642.19 × 2,667.98
  4. Step 4: Simplify right side
    3,765.58x = 15,053,264.18
  5. Step 5: Solve for x
    x = 15,053,264.18/3,765.58
  6. Step 6: Final answer
    x = 3,997.60

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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.