Home / 3,216.16-4,435.20-2,744.32

Finding the Fourth Proportional to 3,216.16, 4,435.20 and 2,744.32

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Solution

The fourth proportional to 3,216.16, 4,435.20 and 2,744.32 is: 3,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.16 : 4,435.20 = 2,744.32 : x
  2. Step 2: Convert to fraction form
    3,216.16/4,435.20 = 2,744.32/x
  3. Step 3: Cross multiply
    3,216.16x = 4,435.20 × 2,744.32
  4. Step 4: Simplify right side
    3,216.16x = 12,171,608.06
  5. Step 5: Solve for x
    x = 12,171,608.06/3,216.16
  6. Step 6: Final answer
    x = 3,784.52

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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.