Home / 3,774.18-5,661.45-2,018.46

Finding the Fourth Proportional to 3,774.18, 5,661.45 and 2,018.46

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Solution

The fourth proportional to 3,774.18, 5,661.45 and 2,018.46 is: 3,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.18 : 5,661.45 = 2,018.46 : x
  2. Step 2: Convert to fraction form
    3,774.18/5,661.45 = 2,018.46/x
  3. Step 3: Cross multiply
    3,774.18x = 5,661.45 × 2,018.46
  4. Step 4: Simplify right side
    3,774.18x = 11,427,410.37
  5. Step 5: Solve for x
    x = 11,427,410.37/3,774.18
  6. Step 6: Final answer
    x = 3,027.79

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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.