Home / 3,609.94-5,415.58-1,144.10

Finding the Fourth Proportional to 3,609.94, 5,415.58 and 1,144.10

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Solution

The fourth proportional to 3,609.94, 5,415.58 and 1,144.10 is: 1,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.94 : 5,415.58 = 1,144.10 : x
  2. Step 2: Convert to fraction form
    3,609.94/5,415.58 = 1,144.10/x
  3. Step 3: Cross multiply
    3,609.94x = 5,415.58 × 1,144.10
  4. Step 4: Simplify right side
    3,609.94x = 6,195,965.08
  5. Step 5: Solve for x
    x = 6,195,965.08/3,609.94
  6. Step 6: Final answer
    x = 1,716.36

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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.