Home / 1,941.15-2,679.39-1,102.41

Finding the Fourth Proportional to 1,941.15, 2,679.39 and 1,102.41

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Solution

The fourth proportional to 1,941.15, 2,679.39 and 1,102.41 is: 1,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.15 : 2,679.39 = 1,102.41 : x
  2. Step 2: Convert to fraction form
    1,941.15/2,679.39 = 1,102.41/x
  3. Step 3: Cross multiply
    1,941.15x = 2,679.39 × 1,102.41
  4. Step 4: Simplify right side
    1,941.15x = 2,953,786.33
  5. Step 5: Solve for x
    x = 2,953,786.33/1,941.15
  6. Step 6: Final answer
    x = 1,521.67

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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.