Home / 2,881.97-3,977.46-1,623.07

Finding the Fourth Proportional to 2,881.97, 3,977.46 and 1,623.07

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Solution

The fourth proportional to 2,881.97, 3,977.46 and 1,623.07 is: 2,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.97 : 3,977.46 = 1,623.07 : x
  2. Step 2: Convert to fraction form
    2,881.97/3,977.46 = 1,623.07/x
  3. Step 3: Cross multiply
    2,881.97x = 3,977.46 × 1,623.07
  4. Step 4: Simplify right side
    2,881.97x = 6,455,696.00
  5. Step 5: Solve for x
    x = 6,455,696.00/2,881.97
  6. Step 6: Final answer
    x = 2,240.03

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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.