Home / 2,431.21-3,647.24-1,610.14

Finding the Fourth Proportional to 2,431.21, 3,647.24 and 1,610.14

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Solution

The fourth proportional to 2,431.21, 3,647.24 and 1,610.14 is: 2,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.21 : 3,647.24 = 1,610.14 : x
  2. Step 2: Convert to fraction form
    2,431.21/3,647.24 = 1,610.14/x
  3. Step 3: Cross multiply
    2,431.21x = 3,647.24 × 1,610.14
  4. Step 4: Simplify right side
    2,431.21x = 5,872,558.96
  5. Step 5: Solve for x
    x = 5,872,558.96/2,431.21
  6. Step 6: Final answer
    x = 2,415.49

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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.