Home / 3,179.68-4,387.44-2,924.80

Finding the Fourth Proportional to 3,179.68, 4,387.44 and 2,924.80

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Solution

The fourth proportional to 3,179.68, 4,387.44 and 2,924.80 is: 4,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.68 : 4,387.44 = 2,924.80 : x
  2. Step 2: Convert to fraction form
    3,179.68/4,387.44 = 2,924.80/x
  3. Step 3: Cross multiply
    3,179.68x = 4,387.44 × 2,924.80
  4. Step 4: Simplify right side
    3,179.68x = 12,832,384.51
  5. Step 5: Solve for x
    x = 12,832,384.51/3,179.68
  6. Step 6: Final answer
    x = 4,035.75

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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.