Home / 2,564.19-3,839.81-1,262.25

Finding the Fourth Proportional to 2,564.19, 3,839.81 and 1,262.25

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Solution

The fourth proportional to 2,564.19, 3,839.81 and 1,262.25 is: 1,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.19 : 3,839.81 = 1,262.25 : x
  2. Step 2: Convert to fraction form
    2,564.19/3,839.81 = 1,262.25/x
  3. Step 3: Cross multiply
    2,564.19x = 3,839.81 × 1,262.25
  4. Step 4: Simplify right side
    2,564.19x = 4,846,793.86
  5. Step 5: Solve for x
    x = 4,846,793.86/2,564.19
  6. Step 6: Final answer
    x = 1,890.19

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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.