Home / 1,103.04-1,522.24-637.44

Finding the Fourth Proportional to 1,103.04, 1,522.24 and 637.44

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Solution

The fourth proportional to 1,103.04, 1,522.24 and 637.44 is: 879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.04 : 1,522.24 = 637.44 : x
  2. Step 2: Convert to fraction form
    1,103.04/1,522.24 = 637.44/x
  3. Step 3: Cross multiply
    1,103.04x = 1,522.24 × 637.44
  4. Step 4: Simplify right side
    1,103.04x = 970,336.67
  5. Step 5: Solve for x
    x = 970,336.67/1,103.04
  6. Step 6: Final answer
    x = 879.69

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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.