Home / 3,783.65-5,675.30-1,151.21

Finding the Fourth Proportional to 3,783.65, 5,675.30 and 1,151.21

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Solution

The fourth proportional to 3,783.65, 5,675.30 and 1,151.21 is: 1,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.65 : 5,675.30 = 1,151.21 : x
  2. Step 2: Convert to fraction form
    3,783.65/5,675.30 = 1,151.21/x
  3. Step 3: Cross multiply
    3,783.65x = 5,675.30 × 1,151.21
  4. Step 4: Simplify right side
    3,783.65x = 6,533,474.86
  5. Step 5: Solve for x
    x = 6,533,474.86/3,783.65
  6. Step 6: Final answer
    x = 1,726.77

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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.