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Finding the Fourth Proportional to 3,803.06, 5,703.12 and 1,828.13

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Solution

The fourth proportional to 3,803.06, 5,703.12 and 1,828.13 is: 2,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.06 : 5,703.12 = 1,828.13 : x
  2. Step 2: Convert to fraction form
    3,803.06/5,703.12 = 1,828.13/x
  3. Step 3: Cross multiply
    3,803.06x = 5,703.12 × 1,828.13
  4. Step 4: Simplify right side
    3,803.06x = 10,426,016.25
  5. Step 5: Solve for x
    x = 10,426,016.25/3,803.06
  6. Step 6: Final answer
    x = 2,741.48

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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.