Home / 4,131.10-5,701.88-2,640.29

Finding the Fourth Proportional to 4,131.10, 5,701.88 and 2,640.29

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Solution

The fourth proportional to 4,131.10, 5,701.88 and 2,640.29 is: 3,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.10 : 5,701.88 = 2,640.29 : x
  2. Step 2: Convert to fraction form
    4,131.10/5,701.88 = 2,640.29/x
  3. Step 3: Cross multiply
    4,131.10x = 5,701.88 × 2,640.29
  4. Step 4: Simplify right side
    4,131.10x = 15,054,603.54
  5. Step 5: Solve for x
    x = 15,054,603.54/4,131.10
  6. Step 6: Final answer
    x = 3,644.22

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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.