Home / 3,281.30-4,940.46-2,893.80

Finding the Fourth Proportional to 3,281.30, 4,940.46 and 2,893.80

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Solution

The fourth proportional to 3,281.30, 4,940.46 and 2,893.80 is: 4,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.30 : 4,940.46 = 2,893.80 : x
  2. Step 2: Convert to fraction form
    3,281.30/4,940.46 = 2,893.80/x
  3. Step 3: Cross multiply
    3,281.30x = 4,940.46 × 2,893.80
  4. Step 4: Simplify right side
    3,281.30x = 14,296,703.15
  5. Step 5: Solve for x
    x = 14,296,703.15/3,281.30
  6. Step 6: Final answer
    x = 4,357.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.