Home / 2,641.84-3,964.07-1,180.60

Finding the Fourth Proportional to 2,641.84, 3,964.07 and 1,180.60

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Solution

The fourth proportional to 2,641.84, 3,964.07 and 1,180.60 is: 1,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.84 : 3,964.07 = 1,180.60 : x
  2. Step 2: Convert to fraction form
    2,641.84/3,964.07 = 1,180.60/x
  3. Step 3: Cross multiply
    2,641.84x = 3,964.07 × 1,180.60
  4. Step 4: Simplify right side
    2,641.84x = 4,679,974.08
  5. Step 5: Solve for x
    x = 4,679,974.08/2,641.84
  6. Step 6: Final answer
    x = 1,771.48

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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.