Home / 3,583.98-4,945.39-1,990.51

Finding the Fourth Proportional to 3,583.98, 4,945.39 and 1,990.51

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Solution

The fourth proportional to 3,583.98, 4,945.39 and 1,990.51 is: 2,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.98 : 4,945.39 = 1,990.51 : x
  2. Step 2: Convert to fraction form
    3,583.98/4,945.39 = 1,990.51/x
  3. Step 3: Cross multiply
    3,583.98x = 4,945.39 × 1,990.51
  4. Step 4: Simplify right side
    3,583.98x = 9,843,830.91
  5. Step 5: Solve for x
    x = 9,843,830.91/3,583.98
  6. Step 6: Final answer
    x = 2,746.62

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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.