Home / 2,035.20-2,811.84-1,879.68

Finding the Fourth Proportional to 2,035.20, 2,811.84 and 1,879.68

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Solution

The fourth proportional to 2,035.20, 2,811.84 and 1,879.68 is: 2,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.20 : 2,811.84 = 1,879.68 : x
  2. Step 2: Convert to fraction form
    2,035.20/2,811.84 = 1,879.68/x
  3. Step 3: Cross multiply
    2,035.20x = 2,811.84 × 1,879.68
  4. Step 4: Simplify right side
    2,035.20x = 5,285,359.41
  5. Step 5: Solve for x
    x = 5,285,359.41/2,035.20
  6. Step 6: Final answer
    x = 2,596.97

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1.5x scale

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.