Home / 2,388.37-3,292.81-1,640.95

Finding the Fourth Proportional to 2,388.37, 3,292.81 and 1,640.95

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Solution

The fourth proportional to 2,388.37, 3,292.81 and 1,640.95 is: 2,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.37 : 3,292.81 = 1,640.95 : x
  2. Step 2: Convert to fraction form
    2,388.37/3,292.81 = 1,640.95/x
  3. Step 3: Cross multiply
    2,388.37x = 3,292.81 × 1,640.95
  4. Step 4: Simplify right side
    2,388.37x = 5,403,336.57
  5. Step 5: Solve for x
    x = 5,403,336.57/2,388.37
  6. Step 6: Final answer
    x = 2,262.35

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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.