Home / 3,609.26-4,979.30-2,430.71

Finding the Fourth Proportional to 3,609.26, 4,979.30 and 2,430.71

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Solution

The fourth proportional to 3,609.26, 4,979.30 and 2,430.71 is: 3,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.26 : 4,979.30 = 2,430.71 : x
  2. Step 2: Convert to fraction form
    3,609.26/4,979.30 = 2,430.71/x
  3. Step 3: Cross multiply
    3,609.26x = 4,979.30 × 2,430.71
  4. Step 4: Simplify right side
    3,609.26x = 12,103,197.25
  5. Step 5: Solve for x
    x = 12,103,197.25/3,609.26
  6. Step 6: Final answer
    x = 3,353.38

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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.