Home / 3,180.51-4,771.52-1,330.59

Finding the Fourth Proportional to 3,180.51, 4,771.52 and 1,330.59

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Solution

The fourth proportional to 3,180.51, 4,771.52 and 1,330.59 is: 1,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.51 : 4,771.52 = 1,330.59 : x
  2. Step 2: Convert to fraction form
    3,180.51/4,771.52 = 1,330.59/x
  3. Step 3: Cross multiply
    3,180.51x = 4,771.52 × 1,330.59
  4. Step 4: Simplify right side
    3,180.51x = 6,348,940.12
  5. Step 5: Solve for x
    x = 6,348,940.12/3,180.51
  6. Step 6: Final answer
    x = 1,996.20

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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.