Home / 2,786.16-4,179.24-1,630.32

Finding the Fourth Proportional to 2,786.16, 4,179.24 and 1,630.32

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Solution

The fourth proportional to 2,786.16, 4,179.24 and 1,630.32 is: 2,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.16 : 4,179.24 = 1,630.32 : x
  2. Step 2: Convert to fraction form
    2,786.16/4,179.24 = 1,630.32/x
  3. Step 3: Cross multiply
    2,786.16x = 4,179.24 × 1,630.32
  4. Step 4: Simplify right side
    2,786.16x = 6,813,498.56
  5. Step 5: Solve for x
    x = 6,813,498.56/2,786.16
  6. Step 6: Final answer
    x = 2,445.48

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Similar ratio
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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.