Home / 1,446.64-1,987.03-1,418.97

Finding the Fourth Proportional to 1,446.64, 1,987.03 and 1,418.97

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Solution

The fourth proportional to 1,446.64, 1,987.03 and 1,418.97 is: 1,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.64 : 1,987.03 = 1,418.97 : x
  2. Step 2: Convert to fraction form
    1,446.64/1,987.03 = 1,418.97/x
  3. Step 3: Cross multiply
    1,446.64x = 1,987.03 × 1,418.97
  4. Step 4: Simplify right side
    1,446.64x = 2,819,535.96
  5. Step 5: Solve for x
    x = 2,819,535.96/1,446.64
  6. Step 6: Final answer
    x = 1,949.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.