Home / 3,479.45-5,218.38-2,074.27

Finding the Fourth Proportional to 3,479.45, 5,218.38 and 2,074.27

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Solution

The fourth proportional to 3,479.45, 5,218.38 and 2,074.27 is: 3,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.45 : 5,218.38 = 2,074.27 : x
  2. Step 2: Convert to fraction form
    3,479.45/5,218.38 = 2,074.27/x
  3. Step 3: Cross multiply
    3,479.45x = 5,218.38 × 2,074.27
  4. Step 4: Simplify right side
    3,479.45x = 10,824,319.19
  5. Step 5: Solve for x
    x = 10,824,319.19/3,479.45
  6. Step 6: Final answer
    x = 3,110.92

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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.