Home / 3,569.25-4,926.89-2,687.61

Finding the Fourth Proportional to 3,569.25, 4,926.89 and 2,687.61

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Solution

The fourth proportional to 3,569.25, 4,926.89 and 2,687.61 is: 3,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.25 : 4,926.89 = 2,687.61 : x
  2. Step 2: Convert to fraction form
    3,569.25/4,926.89 = 2,687.61/x
  3. Step 3: Cross multiply
    3,569.25x = 4,926.89 × 2,687.61
  4. Step 4: Simplify right side
    3,569.25x = 13,241,558.83
  5. Step 5: Solve for x
    x = 13,241,558.83/3,569.25
  6. Step 6: Final answer
    x = 3,709.90

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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.