Home / 3,085.88-4,259.78-2,092.52

Finding the Fourth Proportional to 3,085.88, 4,259.78 and 2,092.52

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Solution

The fourth proportional to 3,085.88, 4,259.78 and 2,092.52 is: 2,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.88 : 4,259.78 = 2,092.52 : x
  2. Step 2: Convert to fraction form
    3,085.88/4,259.78 = 2,092.52/x
  3. Step 3: Cross multiply
    3,085.88x = 4,259.78 × 2,092.52
  4. Step 4: Simplify right side
    3,085.88x = 8,913,674.85
  5. Step 5: Solve for x
    x = 8,913,674.85/3,085.88
  6. Step 6: Final answer
    x = 2,888.54

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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.