Home / 3,651.43-5,477.70-1,342.75

Finding the Fourth Proportional to 3,651.43, 5,477.70 and 1,342.75

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Solution

The fourth proportional to 3,651.43, 5,477.70 and 1,342.75 is: 2,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.43 : 5,477.70 = 1,342.75 : x
  2. Step 2: Convert to fraction form
    3,651.43/5,477.70 = 1,342.75/x
  3. Step 3: Cross multiply
    3,651.43x = 5,477.70 × 1,342.75
  4. Step 4: Simplify right side
    3,651.43x = 7,355,181.68
  5. Step 5: Solve for x
    x = 7,355,181.68/3,651.43
  6. Step 6: Final answer
    x = 2,014.33

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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.