Home / 2,805.25-3,871.26-1,610.29

Finding the Fourth Proportional to 2,805.25, 3,871.26 and 1,610.29

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Solution

The fourth proportional to 2,805.25, 3,871.26 and 1,610.29 is: 2,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.25 : 3,871.26 = 1,610.29 : x
  2. Step 2: Convert to fraction form
    2,805.25/3,871.26 = 1,610.29/x
  3. Step 3: Cross multiply
    2,805.25x = 3,871.26 × 1,610.29
  4. Step 4: Simplify right side
    2,805.25x = 6,233,851.27
  5. Step 5: Solve for x
    x = 6,233,851.27/2,805.25
  6. Step 6: Final answer
    x = 2,222.21

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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.