Home / 3,763.09-5,645.49-1,297.95

Finding the Fourth Proportional to 3,763.09, 5,645.49 and 1,297.95

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Solution

The fourth proportional to 3,763.09, 5,645.49 and 1,297.95 is: 1,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.09 : 5,645.49 = 1,297.95 : x
  2. Step 2: Convert to fraction form
    3,763.09/5,645.49 = 1,297.95/x
  3. Step 3: Cross multiply
    3,763.09x = 5,645.49 × 1,297.95
  4. Step 4: Simplify right side
    3,763.09x = 7,327,563.75
  5. Step 5: Solve for x
    x = 7,327,563.75/3,763.09
  6. Step 6: Final answer
    x = 1,947.22

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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.