Home / 2,190.64-3,023.16-1,195.98

Finding the Fourth Proportional to 2,190.64, 3,023.16 and 1,195.98

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Solution

The fourth proportional to 2,190.64, 3,023.16 and 1,195.98 is: 1,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.64 : 3,023.16 = 1,195.98 : x
  2. Step 2: Convert to fraction form
    2,190.64/3,023.16 = 1,195.98/x
  3. Step 3: Cross multiply
    2,190.64x = 3,023.16 × 1,195.98
  4. Step 4: Simplify right side
    2,190.64x = 3,615,638.90
  5. Step 5: Solve for x
    x = 3,615,638.90/2,190.64
  6. Step 6: Final answer
    x = 1,650.49

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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.