Home / 3,320.90-4,976.03-2,539.96

Finding the Fourth Proportional to 3,320.90, 4,976.03 and 2,539.96

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Solution

The fourth proportional to 3,320.90, 4,976.03 and 2,539.96 is: 3,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.90 : 4,976.03 = 2,539.96 : x
  2. Step 2: Convert to fraction form
    3,320.90/4,976.03 = 2,539.96/x
  3. Step 3: Cross multiply
    3,320.90x = 4,976.03 × 2,539.96
  4. Step 4: Simplify right side
    3,320.90x = 12,638,911.07
  5. Step 5: Solve for x
    x = 12,638,911.07/3,320.90
  6. Step 6: Final answer
    x = 3,805.87

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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.