Home / 1,942.88-2,679.27-1,522.58

Finding the Fourth Proportional to 1,942.88, 2,679.27 and 1,522.58

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Solution

The fourth proportional to 1,942.88, 2,679.27 and 1,522.58 is: 2,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.88 : 2,679.27 = 1,522.58 : x
  2. Step 2: Convert to fraction form
    1,942.88/2,679.27 = 1,522.58/x
  3. Step 3: Cross multiply
    1,942.88x = 2,679.27 × 1,522.58
  4. Step 4: Simplify right side
    1,942.88x = 4,079,402.92
  5. Step 5: Solve for x
    x = 4,079,402.92/1,942.88
  6. Step 6: Final answer
    x = 2,099.67

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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.