Home / 2,114.75-2,918.36-1,183.43

Finding the Fourth Proportional to 2,114.75, 2,918.36 and 1,183.43

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Solution

The fourth proportional to 2,114.75, 2,918.36 and 1,183.43 is: 1,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.75 : 2,918.36 = 1,183.43 : x
  2. Step 2: Convert to fraction form
    2,114.75/2,918.36 = 1,183.43/x
  3. Step 3: Cross multiply
    2,114.75x = 2,918.36 × 1,183.43
  4. Step 4: Simplify right side
    2,114.75x = 3,453,668.86
  5. Step 5: Solve for x
    x = 3,453,668.86/2,114.75
  6. Step 6: Final answer
    x = 1,633.13

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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.