Home / 3,261.25-4,888.97-2,091.59

Finding the Fourth Proportional to 3,261.25, 4,888.97 and 2,091.59

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Solution

The fourth proportional to 3,261.25, 4,888.97 and 2,091.59 is: 3,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.25 : 4,888.97 = 2,091.59 : x
  2. Step 2: Convert to fraction form
    3,261.25/4,888.97 = 2,091.59/x
  3. Step 3: Cross multiply
    3,261.25x = 4,888.97 × 2,091.59
  4. Step 4: Simplify right side
    3,261.25x = 10,225,720.76
  5. Step 5: Solve for x
    x = 10,225,720.76/3,261.25
  6. Step 6: Final answer
    x = 3,135.52

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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.