Home / 3,860.98-5,328.15-2,092.57

Finding the Fourth Proportional to 3,860.98, 5,328.15 and 2,092.57

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Solution

The fourth proportional to 3,860.98, 5,328.15 and 2,092.57 is: 2,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.98 : 5,328.15 = 2,092.57 : x
  2. Step 2: Convert to fraction form
    3,860.98/5,328.15 = 2,092.57/x
  3. Step 3: Cross multiply
    3,860.98x = 5,328.15 × 2,092.57
  4. Step 4: Simplify right side
    3,860.98x = 11,149,526.85
  5. Step 5: Solve for x
    x = 11,149,526.85/3,860.98
  6. Step 6: Final answer
    x = 2,887.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.