Home / 1,935.82-2,670.07-1,190.19

Finding the Fourth Proportional to 1,935.82, 2,670.07 and 1,190.19

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Solution

The fourth proportional to 1,935.82, 2,670.07 and 1,190.19 is: 1,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.82 : 2,670.07 = 1,190.19 : x
  2. Step 2: Convert to fraction form
    1,935.82/2,670.07 = 1,190.19/x
  3. Step 3: Cross multiply
    1,935.82x = 2,670.07 × 1,190.19
  4. Step 4: Simplify right side
    1,935.82x = 3,177,893.59
  5. Step 5: Solve for x
    x = 3,177,893.59/1,935.82
  6. Step 6: Final answer
    x = 1,641.63

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Double scale
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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.