Home / 2,892.21-4,339.34-944.40

Finding the Fourth Proportional to 2,892.21, 4,339.34 and 944.40

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Solution

The fourth proportional to 2,892.21, 4,339.34 and 944.40 is: 1,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.21 : 4,339.34 = 944.40 : x
  2. Step 2: Convert to fraction form
    2,892.21/4,339.34 = 944.40/x
  3. Step 3: Cross multiply
    2,892.21x = 4,339.34 × 944.40
  4. Step 4: Simplify right side
    2,892.21x = 4,098,067.97
  5. Step 5: Solve for x
    x = 4,098,067.97/2,892.21
  6. Step 6: Final answer
    x = 1,416.93

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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.