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Finding the Fourth Proportional to 3,609.52, 4,983.12 and 2,351.68

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Solution

The fourth proportional to 3,609.52, 4,983.12 and 2,351.68 is: 3,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.52 : 4,983.12 = 2,351.68 : x
  2. Step 2: Convert to fraction form
    3,609.52/4,983.12 = 2,351.68/x
  3. Step 3: Cross multiply
    3,609.52x = 4,983.12 × 2,351.68
  4. Step 4: Simplify right side
    3,609.52x = 11,718,703.64
  5. Step 5: Solve for x
    x = 11,718,703.64/3,609.52
  6. Step 6: Final answer
    x = 3,246.61

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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.