Home / 3,511.83-4,846.35-1,918.49

Finding the Fourth Proportional to 3,511.83, 4,846.35 and 1,918.49

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Solution

The fourth proportional to 3,511.83, 4,846.35 and 1,918.49 is: 2,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.83 : 4,846.35 = 1,918.49 : x
  2. Step 2: Convert to fraction form
    3,511.83/4,846.35 = 1,918.49/x
  3. Step 3: Cross multiply
    3,511.83x = 4,846.35 × 1,918.49
  4. Step 4: Simplify right side
    3,511.83x = 9,297,649.78
  5. Step 5: Solve for x
    x = 9,297,649.78/3,511.83
  6. Step 6: Final answer
    x = 2,647.52

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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.