Home / 2,941.78-4,409.88-1,091.64

Finding the Fourth Proportional to 2,941.78, 4,409.88 and 1,091.64

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Solution

The fourth proportional to 2,941.78, 4,409.88 and 1,091.64 is: 1,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.78 : 4,409.88 = 1,091.64 : x
  2. Step 2: Convert to fraction form
    2,941.78/4,409.88 = 1,091.64/x
  3. Step 3: Cross multiply
    2,941.78x = 4,409.88 × 1,091.64
  4. Step 4: Simplify right side
    2,941.78x = 4,813,984.87
  5. Step 5: Solve for x
    x = 4,813,984.87/2,941.78
  6. Step 6: Final answer
    x = 1,636.42

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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.