Home / 2,890.45-4,328.11-2,241.73

Finding the Fourth Proportional to 2,890.45, 4,328.11 and 2,241.73

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Solution

The fourth proportional to 2,890.45, 4,328.11 and 2,241.73 is: 3,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.45 : 4,328.11 = 2,241.73 : x
  2. Step 2: Convert to fraction form
    2,890.45/4,328.11 = 2,241.73/x
  3. Step 3: Cross multiply
    2,890.45x = 4,328.11 × 2,241.73
  4. Step 4: Simplify right side
    2,890.45x = 9,702,454.03
  5. Step 5: Solve for x
    x = 9,702,454.03/2,890.45
  6. Step 6: Final answer
    x = 3,356.73

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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.