Home / 3,895.42-5,379.30-2,500.60

Finding the Fourth Proportional to 3,895.42, 5,379.30 and 2,500.60

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Solution

The fourth proportional to 3,895.42, 5,379.30 and 2,500.60 is: 3,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.42 : 5,379.30 = 2,500.60 : x
  2. Step 2: Convert to fraction form
    3,895.42/5,379.30 = 2,500.60/x
  3. Step 3: Cross multiply
    3,895.42x = 5,379.30 × 2,500.60
  4. Step 4: Simplify right side
    3,895.42x = 13,451,477.58
  5. Step 5: Solve for x
    x = 13,451,477.58/3,895.42
  6. Step 6: Final answer
    x = 3,453.15

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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.