Home / 1,449.18-2,011.64-1,414.62

Finding the Fourth Proportional to 1,449.18, 2,011.64 and 1,414.62

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Solution

The fourth proportional to 1,449.18, 2,011.64 and 1,414.62 is: 1,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.18 : 2,011.64 = 1,414.62 : x
  2. Step 2: Convert to fraction form
    1,449.18/2,011.64 = 1,414.62/x
  3. Step 3: Cross multiply
    1,449.18x = 2,011.64 × 1,414.62
  4. Step 4: Simplify right side
    1,449.18x = 2,845,699.10
  5. Step 5: Solve for x
    x = 2,845,699.10/1,449.18
  6. Step 6: Final answer
    x = 1,963.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.