Home / 3,376.99-4,660.59-2,879.47

Finding the Fourth Proportional to 3,376.99, 4,660.59 and 2,879.47

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Solution

The fourth proportional to 3,376.99, 4,660.59 and 2,879.47 is: 3,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.99 : 4,660.59 = 2,879.47 : x
  2. Step 2: Convert to fraction form
    3,376.99/4,660.59 = 2,879.47/x
  3. Step 3: Cross multiply
    3,376.99x = 4,660.59 × 2,879.47
  4. Step 4: Simplify right side
    3,376.99x = 13,420,029.09
  5. Step 5: Solve for x
    x = 13,420,029.09/3,376.99
  6. Step 6: Final answer
    x = 3,973.96

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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.