Home / 2,669.72-4,004.58-1,370.36

Finding the Fourth Proportional to 2,669.72, 4,004.58 and 1,370.36

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Solution

The fourth proportional to 2,669.72, 4,004.58 and 1,370.36 is: 2,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.72 : 4,004.58 = 1,370.36 : x
  2. Step 2: Convert to fraction form
    2,669.72/4,004.58 = 1,370.36/x
  3. Step 3: Cross multiply
    2,669.72x = 4,004.58 × 1,370.36
  4. Step 4: Simplify right side
    2,669.72x = 5,487,716.25
  5. Step 5: Solve for x
    x = 5,487,716.25/2,669.72
  6. Step 6: Final answer
    x = 2,055.54

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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.