Home / 3,609.39-4,979.97-2,283.65

Finding the Fourth Proportional to 3,609.39, 4,979.97 and 2,283.65

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Solution

The fourth proportional to 3,609.39, 4,979.97 and 2,283.65 is: 3,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.39 : 4,979.97 = 2,283.65 : x
  2. Step 2: Convert to fraction form
    3,609.39/4,979.97 = 2,283.65/x
  3. Step 3: Cross multiply
    3,609.39x = 4,979.97 × 2,283.65
  4. Step 4: Simplify right side
    3,609.39x = 11,372,483.59
  5. Step 5: Solve for x
    x = 11,372,483.59/3,609.39
  6. Step 6: Final answer
    x = 3,150.80

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1.5x scale

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.