Home / 3,087.87-4,631.81-1,008.06

Finding the Fourth Proportional to 3,087.87, 4,631.81 and 1,008.06

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Solution

The fourth proportional to 3,087.87, 4,631.81 and 1,008.06 is: 1,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.87 : 4,631.81 = 1,008.06 : x
  2. Step 2: Convert to fraction form
    3,087.87/4,631.81 = 1,008.06/x
  3. Step 3: Cross multiply
    3,087.87x = 4,631.81 × 1,008.06
  4. Step 4: Simplify right side
    3,087.87x = 4,669,137.35
  5. Step 5: Solve for x
    x = 4,669,137.35/3,087.87
  6. Step 6: Final answer
    x = 1,512.09

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Similar ratio
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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.