Home / 3,780.10-5,669.34-1,804.60

Finding the Fourth Proportional to 3,780.10, 5,669.34 and 1,804.60

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Solution

The fourth proportional to 3,780.10, 5,669.34 and 1,804.60 is: 2,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.10 : 5,669.34 = 1,804.60 : x
  2. Step 2: Convert to fraction form
    3,780.10/5,669.34 = 1,804.60/x
  3. Step 3: Cross multiply
    3,780.10x = 5,669.34 × 1,804.60
  4. Step 4: Simplify right side
    3,780.10x = 10,230,890.96
  5. Step 5: Solve for x
    x = 10,230,890.96/3,780.10
  6. Step 6: Final answer
    x = 2,706.51

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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.