Home / 3,983.93-5,975.89-1,210.59

Finding the Fourth Proportional to 3,983.93, 5,975.89 and 1,210.59

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Solution

The fourth proportional to 3,983.93, 5,975.89 and 1,210.59 is: 1,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.93 : 5,975.89 = 1,210.59 : x
  2. Step 2: Convert to fraction form
    3,983.93/5,975.89 = 1,210.59/x
  3. Step 3: Cross multiply
    3,983.93x = 5,975.89 × 1,210.59
  4. Step 4: Simplify right side
    3,983.93x = 7,234,346.62
  5. Step 5: Solve for x
    x = 7,234,346.62/3,983.93
  6. Step 6: Final answer
    x = 1,815.88

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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.