Home / 3,944.81-5,442.30-2,265.60

Finding the Fourth Proportional to 3,944.81, 5,442.30 and 2,265.60

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Solution

The fourth proportional to 3,944.81, 5,442.30 and 2,265.60 is: 3,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.81 : 5,442.30 = 2,265.60 : x
  2. Step 2: Convert to fraction form
    3,944.81/5,442.30 = 2,265.60/x
  3. Step 3: Cross multiply
    3,944.81x = 5,442.30 × 2,265.60
  4. Step 4: Simplify right side
    3,944.81x = 12,330,074.88
  5. Step 5: Solve for x
    x = 12,330,074.88/3,944.81
  6. Step 6: Final answer
    x = 3,125.65

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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.