Home / 3,213.44-4,820.56-1,266.20

Finding the Fourth Proportional to 3,213.44, 4,820.56 and 1,266.20

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Solution

The fourth proportional to 3,213.44, 4,820.56 and 1,266.20 is: 1,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.44 : 4,820.56 = 1,266.20 : x
  2. Step 2: Convert to fraction form
    3,213.44/4,820.56 = 1,266.20/x
  3. Step 3: Cross multiply
    3,213.44x = 4,820.56 × 1,266.20
  4. Step 4: Simplify right side
    3,213.44x = 6,103,793.07
  5. Step 5: Solve for x
    x = 6,103,793.07/3,213.44
  6. Step 6: Final answer
    x = 1,899.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.