Home / 3,261.97-4,891.35-2,275.26

Finding the Fourth Proportional to 3,261.97, 4,891.35 and 2,275.26

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Solution

The fourth proportional to 3,261.97, 4,891.35 and 2,275.26 is: 3,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.97 : 4,891.35 = 2,275.26 : x
  2. Step 2: Convert to fraction form
    3,261.97/4,891.35 = 2,275.26/x
  3. Step 3: Cross multiply
    3,261.97x = 4,891.35 × 2,275.26
  4. Step 4: Simplify right side
    3,261.97x = 11,129,083.19
  5. Step 5: Solve for x
    x = 11,129,083.19/3,261.97
  6. Step 6: Final answer
    x = 3,411.77

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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.