Home / 3,165.68-4,748.54-2,009

Finding the Fourth Proportional to 3,165.68, 4,748.54 and 2,009

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Solution

The fourth proportional to 3,165.68, 4,748.54 and 2,009 is: 3,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.68 : 4,748.54 = 2,009 : x
  2. Step 2: Convert to fraction form
    3,165.68/4,748.54 = 2,009/x
  3. Step 3: Cross multiply
    3,165.68x = 4,748.54 × 2,009
  4. Step 4: Simplify right side
    3,165.68x = 9,539,816.86
  5. Step 5: Solve for x
    x = 9,539,816.86/3,165.68
  6. Step 6: Final answer
    x = 3,013.51

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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.