Home / 4,186.32-6,280.62-1,722.88

Finding the Fourth Proportional to 4,186.32, 6,280.62 and 1,722.88

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Solution

The fourth proportional to 4,186.32, 6,280.62 and 1,722.88 is: 2,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.32 : 6,280.62 = 1,722.88 : x
  2. Step 2: Convert to fraction form
    4,186.32/6,280.62 = 1,722.88/x
  3. Step 3: Cross multiply
    4,186.32x = 6,280.62 × 1,722.88
  4. Step 4: Simplify right side
    4,186.32x = 10,820,754.59
  5. Step 5: Solve for x
    x = 10,820,754.59/4,186.32
  6. Step 6: Final answer
    x = 2,584.79

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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.