Home / 2,552.90-3,833.16-2,085.80

Finding the Fourth Proportional to 2,552.90, 3,833.16 and 2,085.80

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Solution

The fourth proportional to 2,552.90, 3,833.16 and 2,085.80 is: 3,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.90 : 3,833.16 = 2,085.80 : x
  2. Step 2: Convert to fraction form
    2,552.90/3,833.16 = 2,085.80/x
  3. Step 3: Cross multiply
    2,552.90x = 3,833.16 × 2,085.80
  4. Step 4: Simplify right side
    2,552.90x = 7,995,205.13
  5. Step 5: Solve for x
    x = 7,995,205.13/2,552.90
  6. Step 6: Final answer
    x = 3,131.81

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1.5x scale

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.