Home / 3,721.69-5,580.42-1,531.95

Finding the Fourth Proportional to 3,721.69, 5,580.42 and 1,531.95

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Solution

The fourth proportional to 3,721.69, 5,580.42 and 1,531.95 is: 2,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.69 : 5,580.42 = 1,531.95 : x
  2. Step 2: Convert to fraction form
    3,721.69/5,580.42 = 1,531.95/x
  3. Step 3: Cross multiply
    3,721.69x = 5,580.42 × 1,531.95
  4. Step 4: Simplify right side
    3,721.69x = 8,548,924.42
  5. Step 5: Solve for x
    x = 8,548,924.42/3,721.69
  6. Step 6: Final answer
    x = 2,297.05

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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.