Home / 1,948.50-2,908.62-1,803.97

Finding the Fourth Proportional to 1,948.50, 2,908.62 and 1,803.97

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Solution

The fourth proportional to 1,948.50, 2,908.62 and 1,803.97 is: 2,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.50 : 2,908.62 = 1,803.97 : x
  2. Step 2: Convert to fraction form
    1,948.50/2,908.62 = 1,803.97/x
  3. Step 3: Cross multiply
    1,948.50x = 2,908.62 × 1,803.97
  4. Step 4: Simplify right side
    1,948.50x = 5,247,063.22
  5. Step 5: Solve for x
    x = 5,247,063.22/1,948.50
  6. Step 6: Final answer
    x = 2,692.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.