Home / 2,150.22-3,230.73-1,370.58

Finding the Fourth Proportional to 2,150.22, 3,230.73 and 1,370.58

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Solution

The fourth proportional to 2,150.22, 3,230.73 and 1,370.58 is: 2,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.22 : 3,230.73 = 1,370.58 : x
  2. Step 2: Convert to fraction form
    2,150.22/3,230.73 = 1,370.58/x
  3. Step 3: Cross multiply
    2,150.22x = 3,230.73 × 1,370.58
  4. Step 4: Simplify right side
    2,150.22x = 4,427,973.92
  5. Step 5: Solve for x
    x = 4,427,973.92/2,150.22
  6. Step 6: Final answer
    x = 2,059.31

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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.