Home / 3,605.43-4,979.64-2,408.34

Finding the Fourth Proportional to 3,605.43, 4,979.64 and 2,408.34

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Solution

The fourth proportional to 3,605.43, 4,979.64 and 2,408.34 is: 3,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.43 : 4,979.64 = 2,408.34 : x
  2. Step 2: Convert to fraction form
    3,605.43/4,979.64 = 2,408.34/x
  3. Step 3: Cross multiply
    3,605.43x = 4,979.64 × 2,408.34
  4. Step 4: Simplify right side
    3,605.43x = 11,992,666.20
  5. Step 5: Solve for x
    x = 11,992,666.20/3,605.43
  6. Step 6: Final answer
    x = 3,326.28

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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.