Home / 2,263.14-3,122.70-1,268.43

Finding the Fourth Proportional to 2,263.14, 3,122.70 and 1,268.43

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Solution

The fourth proportional to 2,263.14, 3,122.70 and 1,268.43 is: 1,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.14 : 3,122.70 = 1,268.43 : x
  2. Step 2: Convert to fraction form
    2,263.14/3,122.70 = 1,268.43/x
  3. Step 3: Cross multiply
    2,263.14x = 3,122.70 × 1,268.43
  4. Step 4: Simplify right side
    2,263.14x = 3,960,926.36
  5. Step 5: Solve for x
    x = 3,960,926.36/2,263.14
  6. Step 6: Final answer
    x = 1,750.19

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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.