Home / 2,958.76-4,428.24-2,223.28

Finding the Fourth Proportional to 2,958.76, 4,428.24 and 2,223.28

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Solution

The fourth proportional to 2,958.76, 4,428.24 and 2,223.28 is: 3,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.76 : 4,428.24 = 2,223.28 : x
  2. Step 2: Convert to fraction form
    2,958.76/4,428.24 = 2,223.28/x
  3. Step 3: Cross multiply
    2,958.76x = 4,428.24 × 2,223.28
  4. Step 4: Simplify right side
    2,958.76x = 9,845,217.43
  5. Step 5: Solve for x
    x = 9,845,217.43/2,958.76
  6. Step 6: Final answer
    x = 3,327.48

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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.