Home / 1,230.12-1,833.03-1,190.97

Finding the Fourth Proportional to 1,230.12, 1,833.03 and 1,190.97

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Solution

The fourth proportional to 1,230.12, 1,833.03 and 1,190.97 is: 1,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.12 : 1,833.03 = 1,190.97 : x
  2. Step 2: Convert to fraction form
    1,230.12/1,833.03 = 1,190.97/x
  3. Step 3: Cross multiply
    1,230.12x = 1,833.03 × 1,190.97
  4. Step 4: Simplify right side
    1,230.12x = 2,183,083.74
  5. Step 5: Solve for x
    x = 2,183,083.74/1,230.12
  6. Step 6: Final answer
    x = 1,774.69

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.