Home / 3,780.42-5,670.66-1,183.36

Finding the Fourth Proportional to 3,780.42, 5,670.66 and 1,183.36

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Solution

The fourth proportional to 3,780.42, 5,670.66 and 1,183.36 is: 1,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.42 : 5,670.66 = 1,183.36 : x
  2. Step 2: Convert to fraction form
    3,780.42/5,670.66 = 1,183.36/x
  3. Step 3: Cross multiply
    3,780.42x = 5,670.66 × 1,183.36
  4. Step 4: Simplify right side
    3,780.42x = 6,710,426.45
  5. Step 5: Solve for x
    x = 6,710,426.45/3,780.42
  6. Step 6: Final answer
    x = 1,775.05

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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.