Home / 3,815.84-5,726.50-2,175.59

Finding the Fourth Proportional to 3,815.84, 5,726.50 and 2,175.59

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Solution

The fourth proportional to 3,815.84, 5,726.50 and 2,175.59 is: 3,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.84 : 5,726.50 = 2,175.59 : x
  2. Step 2: Convert to fraction form
    3,815.84/5,726.50 = 2,175.59/x
  3. Step 3: Cross multiply
    3,815.84x = 5,726.50 × 2,175.59
  4. Step 4: Simplify right side
    3,815.84x = 12,458,525.01
  5. Step 5: Solve for x
    x = 12,458,525.01/3,815.84
  6. Step 6: Final answer
    x = 3,264.95

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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.