Home / 3,610.31-5,415.28-2,146.23

Finding the Fourth Proportional to 3,610.31, 5,415.28 and 2,146.23

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Solution

The fourth proportional to 3,610.31, 5,415.28 and 2,146.23 is: 3,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.31 : 5,415.28 = 2,146.23 : x
  2. Step 2: Convert to fraction form
    3,610.31/5,415.28 = 2,146.23/x
  3. Step 3: Cross multiply
    3,610.31x = 5,415.28 × 2,146.23
  4. Step 4: Simplify right side
    3,610.31x = 11,622,431.03
  5. Step 5: Solve for x
    x = 11,622,431.03/3,610.31
  6. Step 6: Final answer
    x = 3,219.24

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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.