Home / 2,291.43-3,414.57-2,217.09

Finding the Fourth Proportional to 2,291.43, 3,414.57 and 2,217.09

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Solution

The fourth proportional to 2,291.43, 3,414.57 and 2,217.09 is: 3,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.43 : 3,414.57 = 2,217.09 : x
  2. Step 2: Convert to fraction form
    2,291.43/3,414.57 = 2,217.09/x
  3. Step 3: Cross multiply
    2,291.43x = 3,414.57 × 2,217.09
  4. Step 4: Simplify right side
    2,291.43x = 7,570,409.00
  5. Step 5: Solve for x
    x = 7,570,409.00/2,291.43
  6. Step 6: Final answer
    x = 3,303.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.