Home / 3,263.09-4,891.40-2,089.75

Finding the Fourth Proportional to 3,263.09, 4,891.40 and 2,089.75

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Solution

The fourth proportional to 3,263.09, 4,891.40 and 2,089.75 is: 3,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.09 : 4,891.40 = 2,089.75 : x
  2. Step 2: Convert to fraction form
    3,263.09/4,891.40 = 2,089.75/x
  3. Step 3: Cross multiply
    3,263.09x = 4,891.40 × 2,089.75
  4. Step 4: Simplify right side
    3,263.09x = 10,221,803.15
  5. Step 5: Solve for x
    x = 10,221,803.15/3,263.09
  6. Step 6: Final answer
    x = 3,132.55

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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.