Home / 3,357.36-4,629.96-2,178

Finding the Fourth Proportional to 3,357.36, 4,629.96 and 2,178

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Solution

The fourth proportional to 3,357.36, 4,629.96 and 2,178 is: 3,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.36 : 4,629.96 = 2,178 : x
  2. Step 2: Convert to fraction form
    3,357.36/4,629.96 = 2,178/x
  3. Step 3: Cross multiply
    3,357.36x = 4,629.96 × 2,178
  4. Step 4: Simplify right side
    3,357.36x = 10,084,052.88
  5. Step 5: Solve for x
    x = 10,084,052.88/3,357.36
  6. Step 6: Final answer
    x = 3,003.57

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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.