Home / 1,879.07-2,818.60-1,488.65

Finding the Fourth Proportional to 1,879.07, 2,818.60 and 1,488.65

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Solution

The fourth proportional to 1,879.07, 2,818.60 and 1,488.65 is: 2,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.07 : 2,818.60 = 1,488.65 : x
  2. Step 2: Convert to fraction form
    1,879.07/2,818.60 = 1,488.65/x
  3. Step 3: Cross multiply
    1,879.07x = 2,818.60 × 1,488.65
  4. Step 4: Simplify right side
    1,879.07x = 4,195,891.08
  5. Step 5: Solve for x
    x = 4,195,891.08/1,879.07
  6. Step 6: Final answer
    x = 2,232.97

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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.