Home / 2,881.44-3,973.73-2,137.25

Finding the Fourth Proportional to 2,881.44, 3,973.73 and 2,137.25

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Solution

The fourth proportional to 2,881.44, 3,973.73 and 2,137.25 is: 2,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.44 : 3,973.73 = 2,137.25 : x
  2. Step 2: Convert to fraction form
    2,881.44/3,973.73 = 2,137.25/x
  3. Step 3: Cross multiply
    2,881.44x = 3,973.73 × 2,137.25
  4. Step 4: Simplify right side
    2,881.44x = 8,492,853.69
  5. Step 5: Solve for x
    x = 8,492,853.69/2,881.44
  6. Step 6: Final answer
    x = 2,947.43

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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.