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Finding the Fourth Proportional to 3,382.56, 5,075.04 and 2,651.04

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Solution

The fourth proportional to 3,382.56, 5,075.04 and 2,651.04 is: 3,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.56 : 5,075.04 = 2,651.04 : x
  2. Step 2: Convert to fraction form
    3,382.56/5,075.04 = 2,651.04/x
  3. Step 3: Cross multiply
    3,382.56x = 5,075.04 × 2,651.04
  4. Step 4: Simplify right side
    3,382.56x = 13,454,134.04
  5. Step 5: Solve for x
    x = 13,454,134.04/3,382.56
  6. Step 6: Final answer
    x = 3,977.50

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1.5x scale

Why These Related Problems?

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