Home / 2,954.73-4,077.71-1,628.44

Finding the Fourth Proportional to 2,954.73, 4,077.71 and 1,628.44

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Solution

The fourth proportional to 2,954.73, 4,077.71 and 1,628.44 is: 2,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.73 : 4,077.71 = 1,628.44 : x
  2. Step 2: Convert to fraction form
    2,954.73/4,077.71 = 1,628.44/x
  3. Step 3: Cross multiply
    2,954.73x = 4,077.71 × 1,628.44
  4. Step 4: Simplify right side
    2,954.73x = 6,640,299.95
  5. Step 5: Solve for x
    x = 6,640,299.95/2,954.73
  6. Step 6: Final answer
    x = 2,247.35

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1.5x scale

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.