Home / 1,376.94-2,069.22-1,369.36

Finding the Fourth Proportional to 1,376.94, 2,069.22 and 1,369.36

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Solution

The fourth proportional to 1,376.94, 2,069.22 and 1,369.36 is: 2,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.94 : 2,069.22 = 1,369.36 : x
  2. Step 2: Convert to fraction form
    1,376.94/2,069.22 = 1,369.36/x
  3. Step 3: Cross multiply
    1,376.94x = 2,069.22 × 1,369.36
  4. Step 4: Simplify right side
    1,376.94x = 2,833,512.42
  5. Step 5: Solve for x
    x = 2,833,512.42/1,376.94
  6. Step 6: Final answer
    x = 2,057.84

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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.