Home / 3,330.64-5,001.53-3,198.20

Finding the Fourth Proportional to 3,330.64, 5,001.53 and 3,198.20

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Solution

The fourth proportional to 3,330.64, 5,001.53 and 3,198.20 is: 4,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.64 : 5,001.53 = 3,198.20 : x
  2. Step 2: Convert to fraction form
    3,330.64/5,001.53 = 3,198.20/x
  3. Step 3: Cross multiply
    3,330.64x = 5,001.53 × 3,198.20
  4. Step 4: Simplify right side
    3,330.64x = 15,995,893.25
  5. Step 5: Solve for x
    x = 15,995,893.25/3,330.64
  6. Step 6: Final answer
    x = 4,802.65

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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.