Home / 1,411.29-2,114.24-1,181.66

Finding the Fourth Proportional to 1,411.29, 2,114.24 and 1,181.66

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Solution

The fourth proportional to 1,411.29, 2,114.24 and 1,181.66 is: 1,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.29 : 2,114.24 = 1,181.66 : x
  2. Step 2: Convert to fraction form
    1,411.29/2,114.24 = 1,181.66/x
  3. Step 3: Cross multiply
    1,411.29x = 2,114.24 × 1,181.66
  4. Step 4: Simplify right side
    1,411.29x = 2,498,296.36
  5. Step 5: Solve for x
    x = 2,498,296.36/1,411.29
  6. Step 6: Final answer
    x = 1,770.22

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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.