Home / 3,495-4,822.38-2,078.04

Finding the Fourth Proportional to 3,495, 4,822.38 and 2,078.04

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Solution

The fourth proportional to 3,495, 4,822.38 and 2,078.04 is: 2,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495 : 4,822.38 = 2,078.04 : x
  2. Step 2: Convert to fraction form
    3,495/4,822.38 = 2,078.04/x
  3. Step 3: Cross multiply
    3,495x = 4,822.38 × 2,078.04
  4. Step 4: Simplify right side
    3,495x = 10,021,098.54
  5. Step 5: Solve for x
    x = 10,021,098.54/3,495
  6. Step 6: Final answer
    x = 2,867.27

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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.