Home / 2,277.70-3,143.26-1,381.44

Finding the Fourth Proportional to 2,277.70, 3,143.26 and 1,381.44

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Solution

The fourth proportional to 2,277.70, 3,143.26 and 1,381.44 is: 1,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.70 : 3,143.26 = 1,381.44 : x
  2. Step 2: Convert to fraction form
    2,277.70/3,143.26 = 1,381.44/x
  3. Step 3: Cross multiply
    2,277.70x = 3,143.26 × 1,381.44
  4. Step 4: Simplify right side
    2,277.70x = 4,342,225.09
  5. Step 5: Solve for x
    x = 4,342,225.09/2,277.70
  6. Step 6: Final answer
    x = 1,906.41

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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.