Home / 3,840.67-5,299.45-2,268.19

Finding the Fourth Proportional to 3,840.67, 5,299.45 and 2,268.19

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Solution

The fourth proportional to 3,840.67, 5,299.45 and 2,268.19 is: 3,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.67 : 5,299.45 = 2,268.19 : x
  2. Step 2: Convert to fraction form
    3,840.67/5,299.45 = 2,268.19/x
  3. Step 3: Cross multiply
    3,840.67x = 5,299.45 × 2,268.19
  4. Step 4: Simplify right side
    3,840.67x = 12,020,159.50
  5. Step 5: Solve for x
    x = 12,020,159.50/3,840.67
  6. Step 6: Final answer
    x = 3,129.70

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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.