Home / 3,783.33-5,220.21-2,211.12

Finding the Fourth Proportional to 3,783.33, 5,220.21 and 2,211.12

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Solution

The fourth proportional to 3,783.33, 5,220.21 and 2,211.12 is: 3,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.33 : 5,220.21 = 2,211.12 : x
  2. Step 2: Convert to fraction form
    3,783.33/5,220.21 = 2,211.12/x
  3. Step 3: Cross multiply
    3,783.33x = 5,220.21 × 2,211.12
  4. Step 4: Simplify right side
    3,783.33x = 11,542,510.74
  5. Step 5: Solve for x
    x = 11,542,510.74/3,783.33
  6. Step 6: Final answer
    x = 3,050.89

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Half scale
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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.