Home / 2,745.09-3,788.37-1,565.91

Finding the Fourth Proportional to 2,745.09, 3,788.37 and 1,565.91

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Solution

The fourth proportional to 2,745.09, 3,788.37 and 1,565.91 is: 2,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.09 : 3,788.37 = 1,565.91 : x
  2. Step 2: Convert to fraction form
    2,745.09/3,788.37 = 1,565.91/x
  3. Step 3: Cross multiply
    2,745.09x = 3,788.37 × 1,565.91
  4. Step 4: Simplify right side
    2,745.09x = 5,932,246.47
  5. Step 5: Solve for x
    x = 5,932,246.47/2,745.09
  6. Step 6: Final answer
    x = 2,161.04

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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.