Home / 3,726.43-5,578.70-2,940.93

Finding the Fourth Proportional to 3,726.43, 5,578.70 and 2,940.93

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Solution

The fourth proportional to 3,726.43, 5,578.70 and 2,940.93 is: 4,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.43 : 5,578.70 = 2,940.93 : x
  2. Step 2: Convert to fraction form
    3,726.43/5,578.70 = 2,940.93/x
  3. Step 3: Cross multiply
    3,726.43x = 5,578.70 × 2,940.93
  4. Step 4: Simplify right side
    3,726.43x = 16,406,551.49
  5. Step 5: Solve for x
    x = 16,406,551.49/3,726.43
  6. Step 6: Final answer
    x = 4,402.76

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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.