Home / 3,081.21-4,622.45-1,133.43

Finding the Fourth Proportional to 3,081.21, 4,622.45 and 1,133.43

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Solution

The fourth proportional to 3,081.21, 4,622.45 and 1,133.43 is: 1,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.21 : 4,622.45 = 1,133.43 : x
  2. Step 2: Convert to fraction form
    3,081.21/4,622.45 = 1,133.43/x
  3. Step 3: Cross multiply
    3,081.21x = 4,622.45 × 1,133.43
  4. Step 4: Simplify right side
    3,081.21x = 5,239,217.84
  5. Step 5: Solve for x
    x = 5,239,217.84/3,081.21
  6. Step 6: Final answer
    x = 1,700.38

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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.