Home / 3,220.58-4,443.60-2,041.22

Finding the Fourth Proportional to 3,220.58, 4,443.60 and 2,041.22

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Solution

The fourth proportional to 3,220.58, 4,443.60 and 2,041.22 is: 2,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.58 : 4,443.60 = 2,041.22 : x
  2. Step 2: Convert to fraction form
    3,220.58/4,443.60 = 2,041.22/x
  3. Step 3: Cross multiply
    3,220.58x = 4,443.60 × 2,041.22
  4. Step 4: Simplify right side
    3,220.58x = 9,070,365.19
  5. Step 5: Solve for x
    x = 9,070,365.19/3,220.58
  6. Step 6: Final answer
    x = 2,816.38

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Half scale
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Double scale
Find fourth proportional to 3,221.58, 4,444.98 and 2,042.22
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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.