Home / 3,313.91-4,967.53-1,121.14

Finding the Fourth Proportional to 3,313.91, 4,967.53 and 1,121.14

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Solution

The fourth proportional to 3,313.91, 4,967.53 and 1,121.14 is: 1,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.91 : 4,967.53 = 1,121.14 : x
  2. Step 2: Convert to fraction form
    3,313.91/4,967.53 = 1,121.14/x
  3. Step 3: Cross multiply
    3,313.91x = 4,967.53 × 1,121.14
  4. Step 4: Simplify right side
    3,313.91x = 5,569,299.99
  5. Step 5: Solve for x
    x = 5,569,299.99/3,313.91
  6. Step 6: Final answer
    x = 1,680.58

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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.