Home / 1,190.73-1,632.35-1,171.60

Finding the Fourth Proportional to 1,190.73, 1,632.35 and 1,171.60

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Solution

The fourth proportional to 1,190.73, 1,632.35 and 1,171.60 is: 1,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.73 : 1,632.35 = 1,171.60 : x
  2. Step 2: Convert to fraction form
    1,190.73/1,632.35 = 1,171.60/x
  3. Step 3: Cross multiply
    1,190.73x = 1,632.35 × 1,171.60
  4. Step 4: Simplify right side
    1,190.73x = 1,912,460.11
  5. Step 5: Solve for x
    x = 1,912,460.11/1,190.73
  6. Step 6: Final answer
    x = 1,606.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.