Home / 2,221.14-3,065.17-1,336.99

Finding the Fourth Proportional to 2,221.14, 3,065.17 and 1,336.99

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Solution

The fourth proportional to 2,221.14, 3,065.17 and 1,336.99 is: 1,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.14 : 3,065.17 = 1,336.99 : x
  2. Step 2: Convert to fraction form
    2,221.14/3,065.17 = 1,336.99/x
  3. Step 3: Cross multiply
    2,221.14x = 3,065.17 × 1,336.99
  4. Step 4: Simplify right side
    2,221.14x = 4,098,101.64
  5. Step 5: Solve for x
    x = 4,098,101.64/2,221.14
  6. Step 6: Final answer
    x = 1,845.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.