Home / 2,745.12-3,787.14-1,695.36

Finding the Fourth Proportional to 2,745.12, 3,787.14 and 1,695.36

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Solution

The fourth proportional to 2,745.12, 3,787.14 and 1,695.36 is: 2,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.12 : 3,787.14 = 1,695.36 : x
  2. Step 2: Convert to fraction form
    2,745.12/3,787.14 = 1,695.36/x
  3. Step 3: Cross multiply
    2,745.12x = 3,787.14 × 1,695.36
  4. Step 4: Simplify right side
    2,745.12x = 6,420,565.67
  5. Step 5: Solve for x
    x = 6,420,565.67/2,745.12
  6. Step 6: Final answer
    x = 2,338.90

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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.