Home / 2,626.65-3,622.34-1,917.37

Finding the Fourth Proportional to 2,626.65, 3,622.34 and 1,917.37

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Solution

The fourth proportional to 2,626.65, 3,622.34 and 1,917.37 is: 2,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.65 : 3,622.34 = 1,917.37 : x
  2. Step 2: Convert to fraction form
    2,626.65/3,622.34 = 1,917.37/x
  3. Step 3: Cross multiply
    2,626.65x = 3,622.34 × 1,917.37
  4. Step 4: Simplify right side
    2,626.65x = 6,945,366.05
  5. Step 5: Solve for x
    x = 6,945,366.05/2,626.65
  6. Step 6: Final answer
    x = 2,644.19

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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.