Home / 3,309.29-4,566.78-1,817.22

Finding the Fourth Proportional to 3,309.29, 4,566.78 and 1,817.22

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Solution

The fourth proportional to 3,309.29, 4,566.78 and 1,817.22 is: 2,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.29 : 4,566.78 = 1,817.22 : x
  2. Step 2: Convert to fraction form
    3,309.29/4,566.78 = 1,817.22/x
  3. Step 3: Cross multiply
    3,309.29x = 4,566.78 × 1,817.22
  4. Step 4: Simplify right side
    3,309.29x = 8,298,843.95
  5. Step 5: Solve for x
    x = 8,298,843.95/3,309.29
  6. Step 6: Final answer
    x = 2,507.75

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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.