Home / 1,942.02-2,679.57-1,102.67

Finding the Fourth Proportional to 1,942.02, 2,679.57 and 1,102.67

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Solution

The fourth proportional to 1,942.02, 2,679.57 and 1,102.67 is: 1,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.02 : 2,679.57 = 1,102.67 : x
  2. Step 2: Convert to fraction form
    1,942.02/2,679.57 = 1,102.67/x
  3. Step 3: Cross multiply
    1,942.02x = 2,679.57 × 1,102.67
  4. Step 4: Simplify right side
    1,942.02x = 2,954,668.05
  5. Step 5: Solve for x
    x = 2,954,668.05/1,942.02
  6. Step 6: Final answer
    x = 1,521.44

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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.