Home / 1,944.92-2,685.33-1,820.99

Finding the Fourth Proportional to 1,944.92, 2,685.33 and 1,820.99

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Solution

The fourth proportional to 1,944.92, 2,685.33 and 1,820.99 is: 2,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.92 : 2,685.33 = 1,820.99 : x
  2. Step 2: Convert to fraction form
    1,944.92/2,685.33 = 1,820.99/x
  3. Step 3: Cross multiply
    1,944.92x = 2,685.33 × 1,820.99
  4. Step 4: Simplify right side
    1,944.92x = 4,889,945.65
  5. Step 5: Solve for x
    x = 4,889,945.65/1,944.92
  6. Step 6: Final answer
    x = 2,514.22

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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.