Home / 3,268.78-4,506.50-2,219.02

Finding the Fourth Proportional to 3,268.78, 4,506.50 and 2,219.02

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Solution

The fourth proportional to 3,268.78, 4,506.50 and 2,219.02 is: 3,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.78 : 4,506.50 = 2,219.02 : x
  2. Step 2: Convert to fraction form
    3,268.78/4,506.50 = 2,219.02/x
  3. Step 3: Cross multiply
    3,268.78x = 4,506.50 × 2,219.02
  4. Step 4: Simplify right side
    3,268.78x = 10,000,013.63
  5. Step 5: Solve for x
    x = 10,000,013.63/3,268.78
  6. Step 6: Final answer
    x = 3,059.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.