Home / 3,420.36-4,723.25-3,236.22

Finding the Fourth Proportional to 3,420.36, 4,723.25 and 3,236.22

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Solution

The fourth proportional to 3,420.36, 4,723.25 and 3,236.22 is: 4,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.36 : 4,723.25 = 3,236.22 : x
  2. Step 2: Convert to fraction form
    3,420.36/4,723.25 = 3,236.22/x
  3. Step 3: Cross multiply
    3,420.36x = 4,723.25 × 3,236.22
  4. Step 4: Simplify right side
    3,420.36x = 15,285,459.93
  5. Step 5: Solve for x
    x = 15,285,459.93/3,420.36
  6. Step 6: Final answer
    x = 4,468.96

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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.