Home / 2,568.60-3,543.39-2,213.91

Finding the Fourth Proportional to 2,568.60, 3,543.39 and 2,213.91

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Solution

The fourth proportional to 2,568.60, 3,543.39 and 2,213.91 is: 3,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.60 : 3,543.39 = 2,213.91 : x
  2. Step 2: Convert to fraction form
    2,568.60/3,543.39 = 2,213.91/x
  3. Step 3: Cross multiply
    2,568.60x = 3,543.39 × 2,213.91
  4. Step 4: Simplify right side
    2,568.60x = 7,844,746.55
  5. Step 5: Solve for x
    x = 7,844,746.55/2,568.60
  6. Step 6: Final answer
    x = 3,054.09

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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.