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Finding the Fourth Proportional to 3,681.41, 5,516.23 and 3,308.40

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Solution

The fourth proportional to 3,681.41, 5,516.23 and 3,308.40 is: 4,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.41 : 5,516.23 = 3,308.40 : x
  2. Step 2: Convert to fraction form
    3,681.41/5,516.23 = 3,308.40/x
  3. Step 3: Cross multiply
    3,681.41x = 5,516.23 × 3,308.40
  4. Step 4: Simplify right side
    3,681.41x = 18,249,895.33
  5. Step 5: Solve for x
    x = 18,249,895.33/3,681.41
  6. Step 6: Final answer
    x = 4,957.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.