Home / 2,814.04-3,879.75-2,308.03

Finding the Fourth Proportional to 2,814.04, 3,879.75 and 2,308.03

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Solution

The fourth proportional to 2,814.04, 3,879.75 and 2,308.03 is: 3,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.04 : 3,879.75 = 2,308.03 : x
  2. Step 2: Convert to fraction form
    2,814.04/3,879.75 = 2,308.03/x
  3. Step 3: Cross multiply
    2,814.04x = 3,879.75 × 2,308.03
  4. Step 4: Simplify right side
    2,814.04x = 8,954,579.39
  5. Step 5: Solve for x
    x = 8,954,579.39/2,814.04
  6. Step 6: Final answer
    x = 3,182.11

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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.