Home / 1,431.44-2,146.62-610.10

Finding the Fourth Proportional to 1,431.44, 2,146.62 and 610.10

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Solution

The fourth proportional to 1,431.44, 2,146.62 and 610.10 is: 914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431.44 : 2,146.62 = 610.10 : x
  2. Step 2: Convert to fraction form
    1,431.44/2,146.62 = 610.10/x
  3. Step 3: Cross multiply
    1,431.44x = 2,146.62 × 610.10
  4. Step 4: Simplify right side
    1,431.44x = 1,309,652.86
  5. Step 5: Solve for x
    x = 1,309,652.86/1,431.44
  6. Step 6: Final answer
    x = 914.92

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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.