Home / 1,860.43-2,789.11-1,451.38

Finding the Fourth Proportional to 1,860.43, 2,789.11 and 1,451.38

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Solution

The fourth proportional to 1,860.43, 2,789.11 and 1,451.38 is: 2,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.43 : 2,789.11 = 1,451.38 : x
  2. Step 2: Convert to fraction form
    1,860.43/2,789.11 = 1,451.38/x
  3. Step 3: Cross multiply
    1,860.43x = 2,789.11 × 1,451.38
  4. Step 4: Simplify right side
    1,860.43x = 4,048,058.47
  5. Step 5: Solve for x
    x = 4,048,058.47/1,860.43
  6. Step 6: Final answer
    x = 2,175.87

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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.