Home / 1,983.14-2,737.16-1,144.45

Finding the Fourth Proportional to 1,983.14, 2,737.16 and 1,144.45

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Solution

The fourth proportional to 1,983.14, 2,737.16 and 1,144.45 is: 1,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.14 : 2,737.16 = 1,144.45 : x
  2. Step 2: Convert to fraction form
    1,983.14/2,737.16 = 1,144.45/x
  3. Step 3: Cross multiply
    1,983.14x = 2,737.16 × 1,144.45
  4. Step 4: Simplify right side
    1,983.14x = 3,132,542.76
  5. Step 5: Solve for x
    x = 3,132,542.76/1,983.14
  6. Step 6: Final answer
    x = 1,579.59

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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.