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Finding the Fourth Proportional to 2,406.87, 3,603.78 and 1,250.19

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Solution

The fourth proportional to 2,406.87, 3,603.78 and 1,250.19 is: 1,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.87 : 3,603.78 = 1,250.19 : x
  2. Step 2: Convert to fraction form
    2,406.87/3,603.78 = 1,250.19/x
  3. Step 3: Cross multiply
    2,406.87x = 3,603.78 × 1,250.19
  4. Step 4: Simplify right side
    2,406.87x = 4,505,409.72
  5. Step 5: Solve for x
    x = 4,505,409.72/2,406.87
  6. Step 6: Final answer
    x = 1,871.90

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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.