Home / 2,874.78-4,292.69-2,283.14

Finding the Fourth Proportional to 2,874.78, 4,292.69 and 2,283.14

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Solution

The fourth proportional to 2,874.78, 4,292.69 and 2,283.14 is: 3,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.78 : 4,292.69 = 2,283.14 : x
  2. Step 2: Convert to fraction form
    2,874.78/4,292.69 = 2,283.14/x
  3. Step 3: Cross multiply
    2,874.78x = 4,292.69 × 2,283.14
  4. Step 4: Simplify right side
    2,874.78x = 9,800,811.56
  5. Step 5: Solve for x
    x = 9,800,811.56/2,874.78
  6. Step 6: Final answer
    x = 3,409.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.