Home / 3,583.70-4,945.75-1,990.53

Finding the Fourth Proportional to 3,583.70, 4,945.75 and 1,990.53

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Solution

The fourth proportional to 3,583.70, 4,945.75 and 1,990.53 is: 2,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.70 : 4,945.75 = 1,990.53 : x
  2. Step 2: Convert to fraction form
    3,583.70/4,945.75 = 1,990.53/x
  3. Step 3: Cross multiply
    3,583.70x = 4,945.75 × 1,990.53
  4. Step 4: Simplify right side
    3,583.70x = 9,844,663.75
  5. Step 5: Solve for x
    x = 9,844,663.75/3,583.70
  6. Step 6: Final answer
    x = 2,747.07

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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.