Home / 2,845.08-3,924.36-2,007

Finding the Fourth Proportional to 2,845.08, 3,924.36 and 2,007

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Solution

The fourth proportional to 2,845.08, 3,924.36 and 2,007 is: 2,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.08 : 3,924.36 = 2,007 : x
  2. Step 2: Convert to fraction form
    2,845.08/3,924.36 = 2,007/x
  3. Step 3: Cross multiply
    2,845.08x = 3,924.36 × 2,007
  4. Step 4: Simplify right side
    2,845.08x = 7,876,190.52
  5. Step 5: Solve for x
    x = 7,876,190.52/2,845.08
  6. Step 6: Final answer
    x = 2,768.35

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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.