Home / 2,442.80-3,662.04-2,206.64

Finding the Fourth Proportional to 2,442.80, 3,662.04 and 2,206.64

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Solution

The fourth proportional to 2,442.80, 3,662.04 and 2,206.64 is: 3,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.80 : 3,662.04 = 2,206.64 : x
  2. Step 2: Convert to fraction form
    2,442.80/3,662.04 = 2,206.64/x
  3. Step 3: Cross multiply
    2,442.80x = 3,662.04 × 2,206.64
  4. Step 4: Simplify right side
    2,442.80x = 8,080,803.95
  5. Step 5: Solve for x
    x = 8,080,803.95/2,442.80
  6. Step 6: Final answer
    x = 3,308.01

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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.