Home / 2,975.57-4,104.43-1,914.72

Finding the Fourth Proportional to 2,975.57, 4,104.43 and 1,914.72

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Solution

The fourth proportional to 2,975.57, 4,104.43 and 1,914.72 is: 2,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.57 : 4,104.43 = 1,914.72 : x
  2. Step 2: Convert to fraction form
    2,975.57/4,104.43 = 1,914.72/x
  3. Step 3: Cross multiply
    2,975.57x = 4,104.43 × 1,914.72
  4. Step 4: Simplify right side
    2,975.57x = 7,858,819.13
  5. Step 5: Solve for x
    x = 7,858,819.13/2,975.57
  6. Step 6: Final answer
    x = 2,641.11

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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.