Home / 2,954.09-4,076.63-1,627.76

Finding the Fourth Proportional to 2,954.09, 4,076.63 and 1,627.76

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Solution

The fourth proportional to 2,954.09, 4,076.63 and 1,627.76 is: 2,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.09 : 4,076.63 = 1,627.76 : x
  2. Step 2: Convert to fraction form
    2,954.09/4,076.63 = 1,627.76/x
  3. Step 3: Cross multiply
    2,954.09x = 4,076.63 × 1,627.76
  4. Step 4: Simplify right side
    2,954.09x = 6,635,783.41
  5. Step 5: Solve for x
    x = 6,635,783.41/2,954.09
  6. Step 6: Final answer
    x = 2,246.31

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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.