Home / 3,895.26-5,372.61-2,477.66

Finding the Fourth Proportional to 3,895.26, 5,372.61 and 2,477.66

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Solution

The fourth proportional to 3,895.26, 5,372.61 and 2,477.66 is: 3,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.26 : 5,372.61 = 2,477.66 : x
  2. Step 2: Convert to fraction form
    3,895.26/5,372.61 = 2,477.66/x
  3. Step 3: Cross multiply
    3,895.26x = 5,372.61 × 2,477.66
  4. Step 4: Simplify right side
    3,895.26x = 13,311,474.03
  5. Step 5: Solve for x
    x = 13,311,474.03/3,895.26
  6. Step 6: Final answer
    x = 3,417.35

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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.