Home / 3,040.50-4,195.89-1,643.25

Finding the Fourth Proportional to 3,040.50, 4,195.89 and 1,643.25

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Solution

The fourth proportional to 3,040.50, 4,195.89 and 1,643.25 is: 2,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.50 : 4,195.89 = 1,643.25 : x
  2. Step 2: Convert to fraction form
    3,040.50/4,195.89 = 1,643.25/x
  3. Step 3: Cross multiply
    3,040.50x = 4,195.89 × 1,643.25
  4. Step 4: Simplify right side
    3,040.50x = 6,894,896.24
  5. Step 5: Solve for x
    x = 6,894,896.24/3,040.50
  6. Step 6: Final answer
    x = 2,267.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.