Home / 4,131.35-5,701.89-2,640.26

Finding the Fourth Proportional to 4,131.35, 5,701.89 and 2,640.26

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Solution

The fourth proportional to 4,131.35, 5,701.89 and 2,640.26 is: 3,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.35 : 5,701.89 = 2,640.26 : x
  2. Step 2: Convert to fraction form
    4,131.35/5,701.89 = 2,640.26/x
  3. Step 3: Cross multiply
    4,131.35x = 5,701.89 × 2,640.26
  4. Step 4: Simplify right side
    4,131.35x = 15,054,472.09
  5. Step 5: Solve for x
    x = 15,054,472.09/4,131.35
  6. Step 6: Final answer
    x = 3,643.96

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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.