Home / 2,996.30-4,136.93-2,680.60

Finding the Fourth Proportional to 2,996.30, 4,136.93 and 2,680.60

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Solution

The fourth proportional to 2,996.30, 4,136.93 and 2,680.60 is: 3,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.30 : 4,136.93 = 2,680.60 : x
  2. Step 2: Convert to fraction form
    2,996.30/4,136.93 = 2,680.60/x
  3. Step 3: Cross multiply
    2,996.30x = 4,136.93 × 2,680.60
  4. Step 4: Simplify right side
    2,996.30x = 11,089,454.56
  5. Step 5: Solve for x
    x = 11,089,454.56/2,996.30
  6. Step 6: Final answer
    x = 3,701.05

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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.