Home / 1,879.11-2,592.97-1,039.68

Finding the Fourth Proportional to 1,879.11, 2,592.97 and 1,039.68

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Solution

The fourth proportional to 1,879.11, 2,592.97 and 1,039.68 is: 1,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.11 : 2,592.97 = 1,039.68 : x
  2. Step 2: Convert to fraction form
    1,879.11/2,592.97 = 1,039.68/x
  3. Step 3: Cross multiply
    1,879.11x = 2,592.97 × 1,039.68
  4. Step 4: Simplify right side
    1,879.11x = 2,695,840.89
  5. Step 5: Solve for x
    x = 2,695,840.89/1,879.11
  6. Step 6: Final answer
    x = 1,434.64

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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.