Home / 3,479.44-5,216.72-2,309.80

Finding the Fourth Proportional to 3,479.44, 5,216.72 and 2,309.80

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Solution

The fourth proportional to 3,479.44, 5,216.72 and 2,309.80 is: 3,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.44 : 5,216.72 = 2,309.80 : x
  2. Step 2: Convert to fraction form
    3,479.44/5,216.72 = 2,309.80/x
  3. Step 3: Cross multiply
    3,479.44x = 5,216.72 × 2,309.80
  4. Step 4: Simplify right side
    3,479.44x = 12,049,579.86
  5. Step 5: Solve for x
    x = 12,049,579.86/3,479.44
  6. Step 6: Final answer
    x = 3,463.08

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1.5x scale

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.