Home / 2,371.15-3,555.20-985.44

Finding the Fourth Proportional to 2,371.15, 3,555.20 and 985.44

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Solution

The fourth proportional to 2,371.15, 3,555.20 and 985.44 is: 1,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.15 : 3,555.20 = 985.44 : x
  2. Step 2: Convert to fraction form
    2,371.15/3,555.20 = 985.44/x
  3. Step 3: Cross multiply
    2,371.15x = 3,555.20 × 985.44
  4. Step 4: Simplify right side
    2,371.15x = 3,503,452.08
  5. Step 5: Solve for x
    x = 3,503,452.08/2,371.15
  6. Step 6: Final answer
    x = 1,477.53

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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.