Home / 3,112.41-4,665.59-1,998.69

Finding the Fourth Proportional to 3,112.41, 4,665.59 and 1,998.69

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Solution

The fourth proportional to 3,112.41, 4,665.59 and 1,998.69 is: 2,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.41 : 4,665.59 = 1,998.69 : x
  2. Step 2: Convert to fraction form
    3,112.41/4,665.59 = 1,998.69/x
  3. Step 3: Cross multiply
    3,112.41x = 4,665.59 × 1,998.69
  4. Step 4: Simplify right side
    3,112.41x = 9,325,068.08
  5. Step 5: Solve for x
    x = 9,325,068.08/3,112.41
  6. Step 6: Final answer
    x = 2,996.09

Related Problems

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Half scale
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Double scale
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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.