Home / 4,216.80-5,819.04-2,448.12

Finding the Fourth Proportional to 4,216.80, 5,819.04 and 2,448.12

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Solution

The fourth proportional to 4,216.80, 5,819.04 and 2,448.12 is: 3,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.80 : 5,819.04 = 2,448.12 : x
  2. Step 2: Convert to fraction form
    4,216.80/5,819.04 = 2,448.12/x
  3. Step 3: Cross multiply
    4,216.80x = 5,819.04 × 2,448.12
  4. Step 4: Simplify right side
    4,216.80x = 14,245,708.20
  5. Step 5: Solve for x
    x = 14,245,708.20/4,216.80
  6. Step 6: Final answer
    x = 3,378.32

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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.