Home / 2,847.78-4,264.92-1,675.26

Finding the Fourth Proportional to 2,847.78, 4,264.92 and 1,675.26

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Solution

The fourth proportional to 2,847.78, 4,264.92 and 1,675.26 is: 2,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.78 : 4,264.92 = 1,675.26 : x
  2. Step 2: Convert to fraction form
    2,847.78/4,264.92 = 1,675.26/x
  3. Step 3: Cross multiply
    2,847.78x = 4,264.92 × 1,675.26
  4. Step 4: Simplify right side
    2,847.78x = 7,144,849.88
  5. Step 5: Solve for x
    x = 7,144,849.88/2,847.78
  6. Step 6: Final answer
    x = 2,508.92

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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.