Home / 4,131.43-5,699.87-2,715.87

Finding the Fourth Proportional to 4,131.43, 5,699.87 and 2,715.87

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Solution

The fourth proportional to 4,131.43, 5,699.87 and 2,715.87 is: 3,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.43 : 5,699.87 = 2,715.87 : x
  2. Step 2: Convert to fraction form
    4,131.43/5,699.87 = 2,715.87/x
  3. Step 3: Cross multiply
    4,131.43x = 5,699.87 × 2,715.87
  4. Step 4: Simplify right side
    4,131.43x = 15,480,092.36
  5. Step 5: Solve for x
    x = 15,480,092.36/4,131.43
  6. Step 6: Final answer
    x = 3,746.91

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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.