Home / 2,703.40-4,055.50-1,879.62

Finding the Fourth Proportional to 2,703.40, 4,055.50 and 1,879.62

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Solution

The fourth proportional to 2,703.40, 4,055.50 and 1,879.62 is: 2,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.40 : 4,055.50 = 1,879.62 : x
  2. Step 2: Convert to fraction form
    2,703.40/4,055.50 = 1,879.62/x
  3. Step 3: Cross multiply
    2,703.40x = 4,055.50 × 1,879.62
  4. Step 4: Simplify right side
    2,703.40x = 7,622,798.91
  5. Step 5: Solve for x
    x = 7,622,798.91/2,703.40
  6. Step 6: Final answer
    x = 2,819.71

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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.