Home / 2,539.45-3,801.68-1,876.93

Finding the Fourth Proportional to 2,539.45, 3,801.68 and 1,876.93

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Solution

The fourth proportional to 2,539.45, 3,801.68 and 1,876.93 is: 2,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.45 : 3,801.68 = 1,876.93 : x
  2. Step 2: Convert to fraction form
    2,539.45/3,801.68 = 1,876.93/x
  3. Step 3: Cross multiply
    2,539.45x = 3,801.68 × 1,876.93
  4. Step 4: Simplify right side
    2,539.45x = 7,135,487.24
  5. Step 5: Solve for x
    x = 7,135,487.24/2,539.45
  6. Step 6: Final answer
    x = 2,809.86

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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.