Home / 3,610.12-5,415.30-1,301.80

Finding the Fourth Proportional to 3,610.12, 5,415.30 and 1,301.80

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Solution

The fourth proportional to 3,610.12, 5,415.30 and 1,301.80 is: 1,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.12 : 5,415.30 = 1,301.80 : x
  2. Step 2: Convert to fraction form
    3,610.12/5,415.30 = 1,301.80/x
  3. Step 3: Cross multiply
    3,610.12x = 5,415.30 × 1,301.80
  4. Step 4: Simplify right side
    3,610.12x = 7,049,637.54
  5. Step 5: Solve for x
    x = 7,049,637.54/3,610.12
  6. Step 6: Final answer
    x = 1,952.74

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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.