Home / 2,874.11-4,309.37-2,185.25

Finding the Fourth Proportional to 2,874.11, 4,309.37 and 2,185.25

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Solution

The fourth proportional to 2,874.11, 4,309.37 and 2,185.25 is: 3,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.11 : 4,309.37 = 2,185.25 : x
  2. Step 2: Convert to fraction form
    2,874.11/4,309.37 = 2,185.25/x
  3. Step 3: Cross multiply
    2,874.11x = 4,309.37 × 2,185.25
  4. Step 4: Simplify right side
    2,874.11x = 9,417,039.87
  5. Step 5: Solve for x
    x = 9,417,039.87/2,874.11
  6. Step 6: Final answer
    x = 3,276.51

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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.