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Finding the Fourth Proportional to 3,249.47, 4,874.06 and 1,605.51

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Solution

The fourth proportional to 3,249.47, 4,874.06 and 1,605.51 is: 2,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.47 : 4,874.06 = 1,605.51 : x
  2. Step 2: Convert to fraction form
    3,249.47/4,874.06 = 1,605.51/x
  3. Step 3: Cross multiply
    3,249.47x = 4,874.06 × 1,605.51
  4. Step 4: Simplify right side
    3,249.47x = 7,825,344.04
  5. Step 5: Solve for x
    x = 7,825,344.04/3,249.47
  6. Step 6: Final answer
    x = 2,408.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.