Home / 3,319.28-4,580.86-2,198.32

Finding the Fourth Proportional to 3,319.28, 4,580.86 and 2,198.32

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Solution

The fourth proportional to 3,319.28, 4,580.86 and 2,198.32 is: 3,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.28 : 4,580.86 = 2,198.32 : x
  2. Step 2: Convert to fraction form
    3,319.28/4,580.86 = 2,198.32/x
  3. Step 3: Cross multiply
    3,319.28x = 4,580.86 × 2,198.32
  4. Step 4: Simplify right side
    3,319.28x = 10,070,196.16
  5. Step 5: Solve for x
    x = 10,070,196.16/3,319.28
  6. Step 6: Final answer
    x = 3,033.85

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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.