Home / 1,486.44-2,226.78-1,143.72

Finding the Fourth Proportional to 1,486.44, 2,226.78 and 1,143.72

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Solution

The fourth proportional to 1,486.44, 2,226.78 and 1,143.72 is: 1,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.44 : 2,226.78 = 1,143.72 : x
  2. Step 2: Convert to fraction form
    1,486.44/2,226.78 = 1,143.72/x
  3. Step 3: Cross multiply
    1,486.44x = 2,226.78 × 1,143.72
  4. Step 4: Simplify right side
    1,486.44x = 2,546,812.82
  5. Step 5: Solve for x
    x = 2,546,812.82/1,486.44
  6. Step 6: Final answer
    x = 1,713.36

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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.