Home / 3,738.65-5,608.19-1,887.60

Finding the Fourth Proportional to 3,738.65, 5,608.19 and 1,887.60

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Solution

The fourth proportional to 3,738.65, 5,608.19 and 1,887.60 is: 2,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.65 : 5,608.19 = 1,887.60 : x
  2. Step 2: Convert to fraction form
    3,738.65/5,608.19 = 1,887.60/x
  3. Step 3: Cross multiply
    3,738.65x = 5,608.19 × 1,887.60
  4. Step 4: Simplify right side
    3,738.65x = 10,586,024.16
  5. Step 5: Solve for x
    x = 10,586,024.16/3,738.65
  6. Step 6: Final answer
    x = 2,831.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.