Home / 2,954.39-4,076.90-1,628.06

Finding the Fourth Proportional to 2,954.39, 4,076.90 and 1,628.06

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Solution

The fourth proportional to 2,954.39, 4,076.90 and 1,628.06 is: 2,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.39 : 4,076.90 = 1,628.06 : x
  2. Step 2: Convert to fraction form
    2,954.39/4,076.90 = 1,628.06/x
  3. Step 3: Cross multiply
    2,954.39x = 4,076.90 × 1,628.06
  4. Step 4: Simplify right side
    2,954.39x = 6,637,439.87
  5. Step 5: Solve for x
    x = 6,637,439.87/2,954.39
  6. Step 6: Final answer
    x = 2,246.64

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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.