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Finding the Fourth Proportional to 4,103.55, 5,658.54 and 2,688.48

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Solution

The fourth proportional to 4,103.55, 5,658.54 and 2,688.48 is: 3,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.55 : 5,658.54 = 2,688.48 : x
  2. Step 2: Convert to fraction form
    4,103.55/5,658.54 = 2,688.48/x
  3. Step 3: Cross multiply
    4,103.55x = 5,658.54 × 2,688.48
  4. Step 4: Simplify right side
    4,103.55x = 15,212,871.62
  5. Step 5: Solve for x
    x = 15,212,871.62/4,103.55
  6. Step 6: Final answer
    x = 3,707.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.