Home / 1,498.13-2,067.68-1,143.47

Finding the Fourth Proportional to 1,498.13, 2,067.68 and 1,143.47

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Solution

The fourth proportional to 1,498.13, 2,067.68 and 1,143.47 is: 1,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.13 : 2,067.68 = 1,143.47 : x
  2. Step 2: Convert to fraction form
    1,498.13/2,067.68 = 1,143.47/x
  3. Step 3: Cross multiply
    1,498.13x = 2,067.68 × 1,143.47
  4. Step 4: Simplify right side
    1,498.13x = 2,364,327.74
  5. Step 5: Solve for x
    x = 2,364,327.74/1,498.13
  6. Step 6: Final answer
    x = 1,578.19

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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.