Home / 3,455.87-5,181.81-2,361.56

Finding the Fourth Proportional to 3,455.87, 5,181.81 and 2,361.56

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Solution

The fourth proportional to 3,455.87, 5,181.81 and 2,361.56 is: 3,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.87 : 5,181.81 = 2,361.56 : x
  2. Step 2: Convert to fraction form
    3,455.87/5,181.81 = 2,361.56/x
  3. Step 3: Cross multiply
    3,455.87x = 5,181.81 × 2,361.56
  4. Step 4: Simplify right side
    3,455.87x = 12,237,155.22
  5. Step 5: Solve for x
    x = 12,237,155.22/3,455.87
  6. Step 6: Final answer
    x = 3,540.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.