Home / 3,910.31-5,868.41-3,030.66

Finding the Fourth Proportional to 3,910.31, 5,868.41 and 3,030.66

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Solution

The fourth proportional to 3,910.31, 5,868.41 and 3,030.66 is: 4,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.31 : 5,868.41 = 3,030.66 : x
  2. Step 2: Convert to fraction form
    3,910.31/5,868.41 = 3,030.66/x
  3. Step 3: Cross multiply
    3,910.31x = 5,868.41 × 3,030.66
  4. Step 4: Simplify right side
    3,910.31x = 17,785,140.30
  5. Step 5: Solve for x
    x = 17,785,140.30/3,910.31
  6. Step 6: Final answer
    x = 4,548.27

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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.