Home / 3,890.37-5,833.80-1,116.41

Finding the Fourth Proportional to 3,890.37, 5,833.80 and 1,116.41

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Solution

The fourth proportional to 3,890.37, 5,833.80 and 1,116.41 is: 1,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.37 : 5,833.80 = 1,116.41 : x
  2. Step 2: Convert to fraction form
    3,890.37/5,833.80 = 1,116.41/x
  3. Step 3: Cross multiply
    3,890.37x = 5,833.80 × 1,116.41
  4. Step 4: Simplify right side
    3,890.37x = 6,512,912.66
  5. Step 5: Solve for x
    x = 6,512,912.66/3,890.37
  6. Step 6: Final answer
    x = 1,674.11

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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.