Home / 3,180.69-4,771.17-1,947.33

Finding the Fourth Proportional to 3,180.69, 4,771.17 and 1,947.33

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Solution

The fourth proportional to 3,180.69, 4,771.17 and 1,947.33 is: 2,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.69 : 4,771.17 = 1,947.33 : x
  2. Step 2: Convert to fraction form
    3,180.69/4,771.17 = 1,947.33/x
  3. Step 3: Cross multiply
    3,180.69x = 4,771.17 × 1,947.33
  4. Step 4: Simplify right side
    3,180.69x = 9,291,042.48
  5. Step 5: Solve for x
    x = 9,291,042.48/3,180.69
  6. Step 6: Final answer
    x = 2,921.08

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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.