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Finding the Fourth Proportional to 3,339.83, 5,009.78 and 3,238.34

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Solution

The fourth proportional to 3,339.83, 5,009.78 and 3,238.34 is: 4,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.83 : 5,009.78 = 3,238.34 : x
  2. Step 2: Convert to fraction form
    3,339.83/5,009.78 = 3,238.34/x
  3. Step 3: Cross multiply
    3,339.83x = 5,009.78 × 3,238.34
  4. Step 4: Simplify right side
    3,339.83x = 16,223,354.01
  5. Step 5: Solve for x
    x = 16,223,354.01/3,339.83
  6. Step 6: Final answer
    x = 4,857.54

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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.