Home / 3,983.43-5,975.14-1,210.09

Finding the Fourth Proportional to 3,983.43, 5,975.14 and 1,210.09

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Solution

The fourth proportional to 3,983.43, 5,975.14 and 1,210.09 is: 1,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.43 : 5,975.14 = 1,210.09 : x
  2. Step 2: Convert to fraction form
    3,983.43/5,975.14 = 1,210.09/x
  3. Step 3: Cross multiply
    3,983.43x = 5,975.14 × 1,210.09
  4. Step 4: Simplify right side
    3,983.43x = 7,230,437.69
  5. Step 5: Solve for x
    x = 7,230,437.69/3,983.43
  6. Step 6: Final answer
    x = 1,815.13

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Double scale
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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.