Home / 2,796.36-4,193.79-1,478.34

Finding the Fourth Proportional to 2,796.36, 4,193.79 and 1,478.34

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Solution

The fourth proportional to 2,796.36, 4,193.79 and 1,478.34 is: 2,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.36 : 4,193.79 = 1,478.34 : x
  2. Step 2: Convert to fraction form
    2,796.36/4,193.79 = 1,478.34/x
  3. Step 3: Cross multiply
    2,796.36x = 4,193.79 × 1,478.34
  4. Step 4: Simplify right side
    2,796.36x = 6,199,847.51
  5. Step 5: Solve for x
    x = 6,199,847.51/2,796.36
  6. Step 6: Final answer
    x = 2,217.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.