Home / 3,373.78-4,656.30-1,976.56

Finding the Fourth Proportional to 3,373.78, 4,656.30 and 1,976.56

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Solution

The fourth proportional to 3,373.78, 4,656.30 and 1,976.56 is: 2,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.78 : 4,656.30 = 1,976.56 : x
  2. Step 2: Convert to fraction form
    3,373.78/4,656.30 = 1,976.56/x
  3. Step 3: Cross multiply
    3,373.78x = 4,656.30 × 1,976.56
  4. Step 4: Simplify right side
    3,373.78x = 9,203,456.33
  5. Step 5: Solve for x
    x = 9,203,456.33/3,373.78
  6. Step 6: Final answer
    x = 2,727.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.