Home / 2,827.88-3,902.45-1,568.94

Finding the Fourth Proportional to 2,827.88, 3,902.45 and 1,568.94

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Solution

The fourth proportional to 2,827.88, 3,902.45 and 1,568.94 is: 2,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.88 : 3,902.45 = 1,568.94 : x
  2. Step 2: Convert to fraction form
    2,827.88/3,902.45 = 1,568.94/x
  3. Step 3: Cross multiply
    2,827.88x = 3,902.45 × 1,568.94
  4. Step 4: Simplify right side
    2,827.88x = 6,122,709.90
  5. Step 5: Solve for x
    x = 6,122,709.90/2,827.88
  6. Step 6: Final answer
    x = 2,165.12

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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.