Home / 3,783.21-5,674.86-1,151.15

Finding the Fourth Proportional to 3,783.21, 5,674.86 and 1,151.15

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Solution

The fourth proportional to 3,783.21, 5,674.86 and 1,151.15 is: 1,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.21 : 5,674.86 = 1,151.15 : x
  2. Step 2: Convert to fraction form
    3,783.21/5,674.86 = 1,151.15/x
  3. Step 3: Cross multiply
    3,783.21x = 5,674.86 × 1,151.15
  4. Step 4: Simplify right side
    3,783.21x = 6,532,586.71
  5. Step 5: Solve for x
    x = 6,532,586.71/3,783.21
  6. Step 6: Final answer
    x = 1,726.73

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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.