Home / 3,187.27-4,398.44-1,860.94

Finding the Fourth Proportional to 3,187.27, 4,398.44 and 1,860.94

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Solution

The fourth proportional to 3,187.27, 4,398.44 and 1,860.94 is: 2,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.27 : 4,398.44 = 1,860.94 : x
  2. Step 2: Convert to fraction form
    3,187.27/4,398.44 = 1,860.94/x
  3. Step 3: Cross multiply
    3,187.27x = 4,398.44 × 1,860.94
  4. Step 4: Simplify right side
    3,187.27x = 8,185,229.13
  5. Step 5: Solve for x
    x = 8,185,229.13/3,187.27
  6. Step 6: Final answer
    x = 2,568.10

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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.