Home / 2,964.94-4,091.61-1,638.73

Finding the Fourth Proportional to 2,964.94, 4,091.61 and 1,638.73

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Solution

The fourth proportional to 2,964.94, 4,091.61 and 1,638.73 is: 2,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.94 : 4,091.61 = 1,638.73 : x
  2. Step 2: Convert to fraction form
    2,964.94/4,091.61 = 1,638.73/x
  3. Step 3: Cross multiply
    2,964.94x = 4,091.61 × 1,638.73
  4. Step 4: Simplify right side
    2,964.94x = 6,705,055.32
  5. Step 5: Solve for x
    x = 6,705,055.32/2,964.94
  6. Step 6: Final answer
    x = 2,261.45

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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.