Home / 2,251.38-3,106.26-1,412.94

Finding the Fourth Proportional to 2,251.38, 3,106.26 and 1,412.94

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Solution

The fourth proportional to 2,251.38, 3,106.26 and 1,412.94 is: 1,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.38 : 3,106.26 = 1,412.94 : x
  2. Step 2: Convert to fraction form
    2,251.38/3,106.26 = 1,412.94/x
  3. Step 3: Cross multiply
    2,251.38x = 3,106.26 × 1,412.94
  4. Step 4: Simplify right side
    2,251.38x = 4,388,959.00
  5. Step 5: Solve for x
    x = 4,388,959.00/2,251.38
  6. Step 6: Final answer
    x = 1,949.45

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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.