Home / 2,942.87-4,059.99-2,569.86

Finding the Fourth Proportional to 2,942.87, 4,059.99 and 2,569.86

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Solution

The fourth proportional to 2,942.87, 4,059.99 and 2,569.86 is: 3,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.87 : 4,059.99 = 2,569.86 : x
  2. Step 2: Convert to fraction form
    2,942.87/4,059.99 = 2,569.86/x
  3. Step 3: Cross multiply
    2,942.87x = 4,059.99 × 2,569.86
  4. Step 4: Simplify right side
    2,942.87x = 10,433,605.90
  5. Step 5: Solve for x
    x = 10,433,605.90/2,942.87
  6. Step 6: Final answer
    x = 3,545.39

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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.