Home / 1,901.08-2,850.90-805.96

Finding the Fourth Proportional to 1,901.08, 2,850.90 and 805.96

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Solution

The fourth proportional to 1,901.08, 2,850.90 and 805.96 is: 1,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.08 : 2,850.90 = 805.96 : x
  2. Step 2: Convert to fraction form
    1,901.08/2,850.90 = 805.96/x
  3. Step 3: Cross multiply
    1,901.08x = 2,850.90 × 805.96
  4. Step 4: Simplify right side
    1,901.08x = 2,297,711.36
  5. Step 5: Solve for x
    x = 2,297,711.36/1,901.08
  6. Step 6: Final answer
    x = 1,208.63

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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.