Home / 2,756.43-4,131.81-2,058.21

Finding the Fourth Proportional to 2,756.43, 4,131.81 and 2,058.21

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Solution

The fourth proportional to 2,756.43, 4,131.81 and 2,058.21 is: 3,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.43 : 4,131.81 = 2,058.21 : x
  2. Step 2: Convert to fraction form
    2,756.43/4,131.81 = 2,058.21/x
  3. Step 3: Cross multiply
    2,756.43x = 4,131.81 × 2,058.21
  4. Step 4: Simplify right side
    2,756.43x = 8,504,132.66
  5. Step 5: Solve for x
    x = 8,504,132.66/2,756.43
  6. Step 6: Final answer
    x = 3,085.20

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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.