Home / 4,149.90-5,726.67-2,261.49

Finding the Fourth Proportional to 4,149.90, 5,726.67 and 2,261.49

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Solution

The fourth proportional to 4,149.90, 5,726.67 and 2,261.49 is: 3,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.90 : 5,726.67 = 2,261.49 : x
  2. Step 2: Convert to fraction form
    4,149.90/5,726.67 = 2,261.49/x
  3. Step 3: Cross multiply
    4,149.90x = 5,726.67 × 2,261.49
  4. Step 4: Simplify right side
    4,149.90x = 12,950,806.94
  5. Step 5: Solve for x
    x = 12,950,806.94/4,149.90
  6. Step 6: Final answer
    x = 3,120.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.