Home / 2,481.12-3,424.32-1,433.34

Finding the Fourth Proportional to 2,481.12, 3,424.32 and 1,433.34

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Solution

The fourth proportional to 2,481.12, 3,424.32 and 1,433.34 is: 1,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.12 : 3,424.32 = 1,433.34 : x
  2. Step 2: Convert to fraction form
    2,481.12/3,424.32 = 1,433.34/x
  3. Step 3: Cross multiply
    2,481.12x = 3,424.32 × 1,433.34
  4. Step 4: Simplify right side
    2,481.12x = 4,908,214.83
  5. Step 5: Solve for x
    x = 4,908,214.83/2,481.12
  6. Step 6: Final answer
    x = 1,978.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.