Home / 3,817.18-5,726.31-1,219.51

Finding the Fourth Proportional to 3,817.18, 5,726.31 and 1,219.51

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Solution

The fourth proportional to 3,817.18, 5,726.31 and 1,219.51 is: 1,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.18 : 5,726.31 = 1,219.51 : x
  2. Step 2: Convert to fraction form
    3,817.18/5,726.31 = 1,219.51/x
  3. Step 3: Cross multiply
    3,817.18x = 5,726.31 × 1,219.51
  4. Step 4: Simplify right side
    3,817.18x = 6,983,292.31
  5. Step 5: Solve for x
    x = 6,983,292.31/3,817.18
  6. Step 6: Final answer
    x = 1,829.44

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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.