Home / 3,825.16-5,276.01-2,689

Finding the Fourth Proportional to 3,825.16, 5,276.01 and 2,689

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Solution

The fourth proportional to 3,825.16, 5,276.01 and 2,689 is: 3,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.16 : 5,276.01 = 2,689 : x
  2. Step 2: Convert to fraction form
    3,825.16/5,276.01 = 2,689/x
  3. Step 3: Cross multiply
    3,825.16x = 5,276.01 × 2,689
  4. Step 4: Simplify right side
    3,825.16x = 14,187,190.89
  5. Step 5: Solve for x
    x = 14,187,190.89/3,825.16
  6. Step 6: Final answer
    x = 3,708.91

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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.