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Finding the Fourth Proportional to 3,383.04, 4,667.04 and 1,984.80

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Solution

The fourth proportional to 3,383.04, 4,667.04 and 1,984.80 is: 2,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.04 : 4,667.04 = 1,984.80 : x
  2. Step 2: Convert to fraction form
    3,383.04/4,667.04 = 1,984.80/x
  3. Step 3: Cross multiply
    3,383.04x = 4,667.04 × 1,984.80
  4. Step 4: Simplify right side
    3,383.04x = 9,263,140.99
  5. Step 5: Solve for x
    x = 9,263,140.99/3,383.04
  6. Step 6: Final answer
    x = 2,738.11

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Double scale
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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.