Home / 3,609.57-4,979.70-2,428.59

Finding the Fourth Proportional to 3,609.57, 4,979.70 and 2,428.59

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Solution

The fourth proportional to 3,609.57, 4,979.70 and 2,428.59 is: 3,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.57 : 4,979.70 = 2,428.59 : x
  2. Step 2: Convert to fraction form
    3,609.57/4,979.70 = 2,428.59/x
  3. Step 3: Cross multiply
    3,609.57x = 4,979.70 × 2,428.59
  4. Step 4: Simplify right side
    3,609.57x = 12,093,649.62
  5. Step 5: Solve for x
    x = 12,093,649.62/3,609.57
  6. Step 6: Final answer
    x = 3,350.44

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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.