Home / 3,613.68-4,979.88-2,563.92

Finding the Fourth Proportional to 3,613.68, 4,979.88 and 2,563.92

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Solution

The fourth proportional to 3,613.68, 4,979.88 and 2,563.92 is: 3,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.68 : 4,979.88 = 2,563.92 : x
  2. Step 2: Convert to fraction form
    3,613.68/4,979.88 = 2,563.92/x
  3. Step 3: Cross multiply
    3,613.68x = 4,979.88 × 2,563.92
  4. Step 4: Simplify right side
    3,613.68x = 12,768,013.93
  5. Step 5: Solve for x
    x = 12,768,013.93/3,613.68
  6. Step 6: Final answer
    x = 3,533.24

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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.