Home / 3,780.36-5,670.54-1,183.50

Finding the Fourth Proportional to 3,780.36, 5,670.54 and 1,183.50

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Solution

The fourth proportional to 3,780.36, 5,670.54 and 1,183.50 is: 1,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.36 : 5,670.54 = 1,183.50 : x
  2. Step 2: Convert to fraction form
    3,780.36/5,670.54 = 1,183.50/x
  3. Step 3: Cross multiply
    3,780.36x = 5,670.54 × 1,183.50
  4. Step 4: Simplify right side
    3,780.36x = 6,711,084.09
  5. Step 5: Solve for x
    x = 6,711,084.09/3,780.36
  6. Step 6: Final answer
    x = 1,775.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.