Home / 2,134.48-2,945.34-1,190.08

Finding the Fourth Proportional to 2,134.48, 2,945.34 and 1,190.08

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Solution

The fourth proportional to 2,134.48, 2,945.34 and 1,190.08 is: 1,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.48 : 2,945.34 = 1,190.08 : x
  2. Step 2: Convert to fraction form
    2,134.48/2,945.34 = 1,190.08/x
  3. Step 3: Cross multiply
    2,134.48x = 2,945.34 × 1,190.08
  4. Step 4: Simplify right side
    2,134.48x = 3,505,190.23
  5. Step 5: Solve for x
    x = 3,505,190.23/2,134.48
  6. Step 6: Final answer
    x = 1,642.18

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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.