Home / 3,295.50-4,942.27-1,321.12

Finding the Fourth Proportional to 3,295.50, 4,942.27 and 1,321.12

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Solution

The fourth proportional to 3,295.50, 4,942.27 and 1,321.12 is: 1,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.50 : 4,942.27 = 1,321.12 : x
  2. Step 2: Convert to fraction form
    3,295.50/4,942.27 = 1,321.12/x
  3. Step 3: Cross multiply
    3,295.50x = 4,942.27 × 1,321.12
  4. Step 4: Simplify right side
    3,295.50x = 6,529,331.74
  5. Step 5: Solve for x
    x = 6,529,331.74/3,295.50
  6. Step 6: Final answer
    x = 1,981.29

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Half scale
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Double scale
Find fourth proportional to 3,296.50, 4,943.77 and 1,322.12
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.