Home / 3,511.08-4,844.82-1,998.67

Finding the Fourth Proportional to 3,511.08, 4,844.82 and 1,998.67

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Solution

The fourth proportional to 3,511.08, 4,844.82 and 1,998.67 is: 2,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.08 : 4,844.82 = 1,998.67 : x
  2. Step 2: Convert to fraction form
    3,511.08/4,844.82 = 1,998.67/x
  3. Step 3: Cross multiply
    3,511.08x = 4,844.82 × 1,998.67
  4. Step 4: Simplify right side
    3,511.08x = 9,683,196.39
  5. Step 5: Solve for x
    x = 9,683,196.39/3,511.08
  6. Step 6: Final answer
    x = 2,757.90

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,512.08, 4,846.20 and 1,999.67
Similar ratio
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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.