Home / 1,974.18-2,943.62-1,903.03

Finding the Fourth Proportional to 1,974.18, 2,943.62 and 1,903.03

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Solution

The fourth proportional to 1,974.18, 2,943.62 and 1,903.03 is: 2,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.18 : 2,943.62 = 1,903.03 : x
  2. Step 2: Convert to fraction form
    1,974.18/2,943.62 = 1,903.03/x
  3. Step 3: Cross multiply
    1,974.18x = 2,943.62 × 1,903.03
  4. Step 4: Simplify right side
    1,974.18x = 5,601,797.17
  5. Step 5: Solve for x
    x = 5,601,797.17/1,974.18
  6. Step 6: Final answer
    x = 2,837.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.