Home / 1,382.41-2,074.37-1,372.08

Finding the Fourth Proportional to 1,382.41, 2,074.37 and 1,372.08

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Solution

The fourth proportional to 1,382.41, 2,074.37 and 1,372.08 is: 2,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.41 : 2,074.37 = 1,372.08 : x
  2. Step 2: Convert to fraction form
    1,382.41/2,074.37 = 1,372.08/x
  3. Step 3: Cross multiply
    1,382.41x = 2,074.37 × 1,372.08
  4. Step 4: Simplify right side
    1,382.41x = 2,846,201.59
  5. Step 5: Solve for x
    x = 2,846,201.59/1,382.41
  6. Step 6: Final answer
    x = 2,058.87

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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.