Home / 3,610.07-4,982.36-2,118.56

Finding the Fourth Proportional to 3,610.07, 4,982.36 and 2,118.56

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Solution

The fourth proportional to 3,610.07, 4,982.36 and 2,118.56 is: 2,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.07 : 4,982.36 = 2,118.56 : x
  2. Step 2: Convert to fraction form
    3,610.07/4,982.36 = 2,118.56/x
  3. Step 3: Cross multiply
    3,610.07x = 4,982.36 × 2,118.56
  4. Step 4: Simplify right side
    3,610.07x = 10,555,393.10
  5. Step 5: Solve for x
    x = 10,555,393.10/3,610.07
  6. Step 6: Final answer
    x = 2,923.88

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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.