Home / 2,740.94-4,112.44-1,646.09

Finding the Fourth Proportional to 2,740.94, 4,112.44 and 1,646.09

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Solution

The fourth proportional to 2,740.94, 4,112.44 and 1,646.09 is: 2,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.94 : 4,112.44 = 1,646.09 : x
  2. Step 2: Convert to fraction form
    2,740.94/4,112.44 = 1,646.09/x
  3. Step 3: Cross multiply
    2,740.94x = 4,112.44 × 1,646.09
  4. Step 4: Simplify right side
    2,740.94x = 6,769,417.57
  5. Step 5: Solve for x
    x = 6,769,417.57/2,740.94
  6. Step 6: Final answer
    x = 2,469.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.