Home / 3,422.48-5,135.99-1,862.87

Finding the Fourth Proportional to 3,422.48, 5,135.99 and 1,862.87

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Solution

The fourth proportional to 3,422.48, 5,135.99 and 1,862.87 is: 2,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.48 : 5,135.99 = 1,862.87 : x
  2. Step 2: Convert to fraction form
    3,422.48/5,135.99 = 1,862.87/x
  3. Step 3: Cross multiply
    3,422.48x = 5,135.99 × 1,862.87
  4. Step 4: Simplify right side
    3,422.48x = 9,567,695.98
  5. Step 5: Solve for x
    x = 9,567,695.98/3,422.48
  6. Step 6: Final answer
    x = 2,795.55

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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.