Home / 3,313.17-4,969.22-1,121.85

Finding the Fourth Proportional to 3,313.17, 4,969.22 and 1,121.85

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Solution

The fourth proportional to 3,313.17, 4,969.22 and 1,121.85 is: 1,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.17 : 4,969.22 = 1,121.85 : x
  2. Step 2: Convert to fraction form
    3,313.17/4,969.22 = 1,121.85/x
  3. Step 3: Cross multiply
    3,313.17x = 4,969.22 × 1,121.85
  4. Step 4: Simplify right side
    3,313.17x = 5,574,713.85
  5. Step 5: Solve for x
    x = 5,574,713.85/3,313.17
  6. Step 6: Final answer
    x = 1,682.59

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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.