Home / 2,114.19-2,917.67-1,230.27

Finding the Fourth Proportional to 2,114.19, 2,917.67 and 1,230.27

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Solution

The fourth proportional to 2,114.19, 2,917.67 and 1,230.27 is: 1,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.19 : 2,917.67 = 1,230.27 : x
  2. Step 2: Convert to fraction form
    2,114.19/2,917.67 = 1,230.27/x
  3. Step 3: Cross multiply
    2,114.19x = 2,917.67 × 1,230.27
  4. Step 4: Simplify right side
    2,114.19x = 3,589,515.72
  5. Step 5: Solve for x
    x = 3,589,515.72/2,114.19
  6. Step 6: Final answer
    x = 1,697.82

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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.