Home / 2,179.56-3,271.74-1,208.04

Finding the Fourth Proportional to 2,179.56, 3,271.74 and 1,208.04

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Solution

The fourth proportional to 2,179.56, 3,271.74 and 1,208.04 is: 1,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.56 : 3,271.74 = 1,208.04 : x
  2. Step 2: Convert to fraction form
    2,179.56/3,271.74 = 1,208.04/x
  3. Step 3: Cross multiply
    2,179.56x = 3,271.74 × 1,208.04
  4. Step 4: Simplify right side
    2,179.56x = 3,952,392.79
  5. Step 5: Solve for x
    x = 3,952,392.79/2,179.56
  6. Step 6: Final answer
    x = 1,813.39

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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.