Home / 1,412.58-1,949.97-1,324.02

Finding the Fourth Proportional to 1,412.58, 1,949.97 and 1,324.02

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Solution

The fourth proportional to 1,412.58, 1,949.97 and 1,324.02 is: 1,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.58 : 1,949.97 = 1,324.02 : x
  2. Step 2: Convert to fraction form
    1,412.58/1,949.97 = 1,324.02/x
  3. Step 3: Cross multiply
    1,412.58x = 1,949.97 × 1,324.02
  4. Step 4: Simplify right side
    1,412.58x = 2,581,799.28
  5. Step 5: Solve for x
    x = 2,581,799.28/1,412.58
  6. Step 6: Final answer
    x = 1,827.72

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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.