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Finding the Fourth Proportional to 3,666.81, 5,061.15 and 2,268.75

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Solution

The fourth proportional to 3,666.81, 5,061.15 and 2,268.75 is: 3,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.81 : 5,061.15 = 2,268.75 : x
  2. Step 2: Convert to fraction form
    3,666.81/5,061.15 = 2,268.75/x
  3. Step 3: Cross multiply
    3,666.81x = 5,061.15 × 2,268.75
  4. Step 4: Simplify right side
    3,666.81x = 11,482,484.06
  5. Step 5: Solve for x
    x = 11,482,484.06/3,666.81
  6. Step 6: Final answer
    x = 3,131.46

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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.