Home / 3,895.88-5,369.86-2,760.10

Finding the Fourth Proportional to 3,895.88, 5,369.86 and 2,760.10

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Solution

The fourth proportional to 3,895.88, 5,369.86 and 2,760.10 is: 3,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.88 : 5,369.86 = 2,760.10 : x
  2. Step 2: Convert to fraction form
    3,895.88/5,369.86 = 2,760.10/x
  3. Step 3: Cross multiply
    3,895.88x = 5,369.86 × 2,760.10
  4. Step 4: Simplify right side
    3,895.88x = 14,821,350.59
  5. Step 5: Solve for x
    x = 14,821,350.59/3,895.88
  6. Step 6: Final answer
    x = 3,804.37

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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.