Home / 2,628.55-3,942.83-1,804.33

Finding the Fourth Proportional to 2,628.55, 3,942.83 and 1,804.33

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Solution

The fourth proportional to 2,628.55, 3,942.83 and 1,804.33 is: 2,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.55 : 3,942.83 = 1,804.33 : x
  2. Step 2: Convert to fraction form
    2,628.55/3,942.83 = 1,804.33/x
  3. Step 3: Cross multiply
    2,628.55x = 3,942.83 × 1,804.33
  4. Step 4: Simplify right side
    2,628.55x = 7,114,166.45
  5. Step 5: Solve for x
    x = 7,114,166.45/2,628.55
  6. Step 6: Final answer
    x = 2,706.50

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Half scale
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Double scale
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Similar ratio
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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.