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Finding the Fourth Proportional to 3,885.40, 5,826.03 and 1,804.33

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Solution

The fourth proportional to 3,885.40, 5,826.03 and 1,804.33 is: 2,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.40 : 5,826.03 = 1,804.33 : x
  2. Step 2: Convert to fraction form
    3,885.40/5,826.03 = 1,804.33/x
  3. Step 3: Cross multiply
    3,885.40x = 5,826.03 × 1,804.33
  4. Step 4: Simplify right side
    3,885.40x = 10,512,080.71
  5. Step 5: Solve for x
    x = 10,512,080.71/3,885.40
  6. Step 6: Final answer
    x = 2,705.53

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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.