Home / 2,745.35-3,787.93-1,565.79

Finding the Fourth Proportional to 2,745.35, 3,787.93 and 1,565.79

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Solution

The fourth proportional to 2,745.35, 3,787.93 and 1,565.79 is: 2,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.35 : 3,787.93 = 1,565.79 : x
  2. Step 2: Convert to fraction form
    2,745.35/3,787.93 = 1,565.79/x
  3. Step 3: Cross multiply
    2,745.35x = 3,787.93 × 1,565.79
  4. Step 4: Simplify right side
    2,745.35x = 5,931,102.91
  5. Step 5: Solve for x
    x = 5,931,102.91/2,745.35
  6. Step 6: Final answer
    x = 2,160.42

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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.