Home / 2,568.90-3,541.87-2,144.14

Finding the Fourth Proportional to 2,568.90, 3,541.87 and 2,144.14

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Solution

The fourth proportional to 2,568.90, 3,541.87 and 2,144.14 is: 2,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.90 : 3,541.87 = 2,144.14 : x
  2. Step 2: Convert to fraction form
    2,568.90/3,541.87 = 2,144.14/x
  3. Step 3: Cross multiply
    2,568.90x = 3,541.87 × 2,144.14
  4. Step 4: Simplify right side
    2,568.90x = 7,594,265.14
  5. Step 5: Solve for x
    x = 7,594,265.14/2,568.90
  6. Step 6: Final answer
    x = 2,956.23

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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.