Home / 2,114.37-2,917.78-1,230.48

Finding the Fourth Proportional to 2,114.37, 2,917.78 and 1,230.48

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Solution

The fourth proportional to 2,114.37, 2,917.78 and 1,230.48 is: 1,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.37 : 2,917.78 = 1,230.48 : x
  2. Step 2: Convert to fraction form
    2,114.37/2,917.78 = 1,230.48/x
  3. Step 3: Cross multiply
    2,114.37x = 2,917.78 × 1,230.48
  4. Step 4: Simplify right side
    2,114.37x = 3,590,269.93
  5. Step 5: Solve for x
    x = 3,590,269.93/2,114.37
  6. Step 6: Final answer
    x = 1,698.03

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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.