Home / 1,367.94-2,054.34-1,126.20

Finding the Fourth Proportional to 1,367.94, 2,054.34 and 1,126.20

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Solution

The fourth proportional to 1,367.94, 2,054.34 and 1,126.20 is: 1,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.94 : 2,054.34 = 1,126.20 : x
  2. Step 2: Convert to fraction form
    1,367.94/2,054.34 = 1,126.20/x
  3. Step 3: Cross multiply
    1,367.94x = 2,054.34 × 1,126.20
  4. Step 4: Simplify right side
    1,367.94x = 2,313,597.71
  5. Step 5: Solve for x
    x = 2,313,597.71/1,367.94
  6. Step 6: Final answer
    x = 1,691.30

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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.