Home / 1,982.98-2,737.13-1,144.24

Finding the Fourth Proportional to 1,982.98, 2,737.13 and 1,144.24

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Solution

The fourth proportional to 1,982.98, 2,737.13 and 1,144.24 is: 1,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.98 : 2,737.13 = 1,144.24 : x
  2. Step 2: Convert to fraction form
    1,982.98/2,737.13 = 1,144.24/x
  3. Step 3: Cross multiply
    1,982.98x = 2,737.13 × 1,144.24
  4. Step 4: Simplify right side
    1,982.98x = 3,131,933.63
  5. Step 5: Solve for x
    x = 3,131,933.63/1,982.98
  6. Step 6: Final answer
    x = 1,579.41

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1.5x scale

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.