Home / 3,511.98-4,846.50-1,940.09

Finding the Fourth Proportional to 3,511.98, 4,846.50 and 1,940.09

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Solution

The fourth proportional to 3,511.98, 4,846.50 and 1,940.09 is: 2,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.98 : 4,846.50 = 1,940.09 : x
  2. Step 2: Convert to fraction form
    3,511.98/4,846.50 = 1,940.09/x
  3. Step 3: Cross multiply
    3,511.98x = 4,846.50 × 1,940.09
  4. Step 4: Simplify right side
    3,511.98x = 9,402,621.95
  5. Step 5: Solve for x
    x = 9,402,621.95/3,511.98
  6. Step 6: Final answer
    x = 2,677.30

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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.