Home / 3,336.72-5,009.56-2,166.80

Finding the Fourth Proportional to 3,336.72, 5,009.56 and 2,166.80

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Solution

The fourth proportional to 3,336.72, 5,009.56 and 2,166.80 is: 3,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.72 : 5,009.56 = 2,166.80 : x
  2. Step 2: Convert to fraction form
    3,336.72/5,009.56 = 2,166.80/x
  3. Step 3: Cross multiply
    3,336.72x = 5,009.56 × 2,166.80
  4. Step 4: Simplify right side
    3,336.72x = 10,854,714.61
  5. Step 5: Solve for x
    x = 10,854,714.61/3,336.72
  6. Step 6: Final answer
    x = 3,253.11

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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.