Home / 2,134.36-2,945.28-1,190.02

Finding the Fourth Proportional to 2,134.36, 2,945.28 and 1,190.02

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Solution

The fourth proportional to 2,134.36, 2,945.28 and 1,190.02 is: 1,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.36 : 2,945.28 = 1,190.02 : x
  2. Step 2: Convert to fraction form
    2,134.36/2,945.28 = 1,190.02/x
  3. Step 3: Cross multiply
    2,134.36x = 2,945.28 × 1,190.02
  4. Step 4: Simplify right side
    2,134.36x = 3,504,942.11
  5. Step 5: Solve for x
    x = 3,504,942.11/2,134.36
  6. Step 6: Final answer
    x = 1,642.15

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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.