Home / 1,984.14-2,738.45-1,144.69

Finding the Fourth Proportional to 1,984.14, 2,738.45 and 1,144.69

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Solution

The fourth proportional to 1,984.14, 2,738.45 and 1,144.69 is: 1,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.14 : 2,738.45 = 1,144.69 : x
  2. Step 2: Convert to fraction form
    1,984.14/2,738.45 = 1,144.69/x
  3. Step 3: Cross multiply
    1,984.14x = 2,738.45 × 1,144.69
  4. Step 4: Simplify right side
    1,984.14x = 3,134,663.76
  5. Step 5: Solve for x
    x = 3,134,663.76/1,984.14
  6. Step 6: Final answer
    x = 1,579.86

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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.