Home / 4,131.51-5,699.84-2,639.04

Finding the Fourth Proportional to 4,131.51, 5,699.84 and 2,639.04

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Solution

The fourth proportional to 4,131.51, 5,699.84 and 2,639.04 is: 3,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.51 : 5,699.84 = 2,639.04 : x
  2. Step 2: Convert to fraction form
    4,131.51/5,699.84 = 2,639.04/x
  3. Step 3: Cross multiply
    4,131.51x = 5,699.84 × 2,639.04
  4. Step 4: Simplify right side
    4,131.51x = 15,042,092.56
  5. Step 5: Solve for x
    x = 15,042,092.56/4,131.51
  6. Step 6: Final answer
    x = 3,640.82

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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.