Home / 3,103.35-4,663.53-1,643.53

Finding the Fourth Proportional to 3,103.35, 4,663.53 and 1,643.53

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Solution

The fourth proportional to 3,103.35, 4,663.53 and 1,643.53 is: 2,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.35 : 4,663.53 = 1,643.53 : x
  2. Step 2: Convert to fraction form
    3,103.35/4,663.53 = 1,643.53/x
  3. Step 3: Cross multiply
    3,103.35x = 4,663.53 × 1,643.53
  4. Step 4: Simplify right side
    3,103.35x = 7,664,651.46
  5. Step 5: Solve for x
    x = 7,664,651.46/3,103.35
  6. Step 6: Final answer
    x = 2,469.80

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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.