Home / 1,972.99-2,954.80-1,094.23

Finding the Fourth Proportional to 1,972.99, 2,954.80 and 1,094.23

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Solution

The fourth proportional to 1,972.99, 2,954.80 and 1,094.23 is: 1,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.99 : 2,954.80 = 1,094.23 : x
  2. Step 2: Convert to fraction form
    1,972.99/2,954.80 = 1,094.23/x
  3. Step 3: Cross multiply
    1,972.99x = 2,954.80 × 1,094.23
  4. Step 4: Simplify right side
    1,972.99x = 3,233,230.80
  5. Step 5: Solve for x
    x = 3,233,230.80/1,972.99
  6. Step 6: Final answer
    x = 1,638.75

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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.