Home / 2,231.77-3,345.20-1,410.43

Finding the Fourth Proportional to 2,231.77, 3,345.20 and 1,410.43

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Solution

The fourth proportional to 2,231.77, 3,345.20 and 1,410.43 is: 2,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.77 : 3,345.20 = 1,410.43 : x
  2. Step 2: Convert to fraction form
    2,231.77/3,345.20 = 1,410.43/x
  3. Step 3: Cross multiply
    2,231.77x = 3,345.20 × 1,410.43
  4. Step 4: Simplify right side
    2,231.77x = 4,718,170.44
  5. Step 5: Solve for x
    x = 4,718,170.44/2,231.77
  6. Step 6: Final answer
    x = 2,114.09

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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.