Home / 2,631.03-3,944.65-1,243.60

Finding the Fourth Proportional to 2,631.03, 3,944.65 and 1,243.60

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Solution

The fourth proportional to 2,631.03, 3,944.65 and 1,243.60 is: 1,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.03 : 3,944.65 = 1,243.60 : x
  2. Step 2: Convert to fraction form
    2,631.03/3,944.65 = 1,243.60/x
  3. Step 3: Cross multiply
    2,631.03x = 3,944.65 × 1,243.60
  4. Step 4: Simplify right side
    2,631.03x = 4,905,578.29
  5. Step 5: Solve for x
    x = 4,905,578.29/2,631.03
  6. Step 6: Final answer
    x = 1,864.51

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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.