Home / 1,481.55-2,223.04-926.11

Finding the Fourth Proportional to 1,481.55, 2,223.04 and 926.11

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Solution

The fourth proportional to 1,481.55, 2,223.04 and 926.11 is: 1,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.55 : 2,223.04 = 926.11 : x
  2. Step 2: Convert to fraction form
    1,481.55/2,223.04 = 926.11/x
  3. Step 3: Cross multiply
    1,481.55x = 2,223.04 × 926.11
  4. Step 4: Simplify right side
    1,481.55x = 2,058,782.86
  5. Step 5: Solve for x
    x = 2,058,782.86/1,481.55
  6. Step 6: Final answer
    x = 1,389.61

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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.