Home / 2,190.59-3,023.03-1,195.88

Finding the Fourth Proportional to 2,190.59, 3,023.03 and 1,195.88

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Solution

The fourth proportional to 2,190.59, 3,023.03 and 1,195.88 is: 1,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.59 : 3,023.03 = 1,195.88 : x
  2. Step 2: Convert to fraction form
    2,190.59/3,023.03 = 1,195.88/x
  3. Step 3: Cross multiply
    2,190.59x = 3,023.03 × 1,195.88
  4. Step 4: Simplify right side
    2,190.59x = 3,615,181.12
  5. Step 5: Solve for x
    x = 3,615,181.12/2,190.59
  6. Step 6: Final answer
    x = 1,650.32

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1.5x scale

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.