Home / 2,190.63-3,023.03-1,195.89

Finding the Fourth Proportional to 2,190.63, 3,023.03 and 1,195.89

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Solution

The fourth proportional to 2,190.63, 3,023.03 and 1,195.89 is: 1,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.63 : 3,023.03 = 1,195.89 : x
  2. Step 2: Convert to fraction form
    2,190.63/3,023.03 = 1,195.89/x
  3. Step 3: Cross multiply
    2,190.63x = 3,023.03 × 1,195.89
  4. Step 4: Simplify right side
    2,190.63x = 3,615,211.35
  5. Step 5: Solve for x
    x = 3,615,211.35/2,190.63
  6. Step 6: Final answer
    x = 1,650.31

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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.