Home / 3,817.75-5,726.67-1,509.25

Finding the Fourth Proportional to 3,817.75, 5,726.67 and 1,509.25

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Solution

The fourth proportional to 3,817.75, 5,726.67 and 1,509.25 is: 2,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.75 : 5,726.67 = 1,509.25 : x
  2. Step 2: Convert to fraction form
    3,817.75/5,726.67 = 1,509.25/x
  3. Step 3: Cross multiply
    3,817.75x = 5,726.67 × 1,509.25
  4. Step 4: Simplify right side
    3,817.75x = 8,642,976.70
  5. Step 5: Solve for x
    x = 8,642,976.70/3,817.75
  6. Step 6: Final answer
    x = 2,263.89

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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.