Home / 3,213.56-4,820.28-1,364.24

Finding the Fourth Proportional to 3,213.56, 4,820.28 and 1,364.24

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Solution

The fourth proportional to 3,213.56, 4,820.28 and 1,364.24 is: 2,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.56 : 4,820.28 = 1,364.24 : x
  2. Step 2: Convert to fraction form
    3,213.56/4,820.28 = 1,364.24/x
  3. Step 3: Cross multiply
    3,213.56x = 4,820.28 × 1,364.24
  4. Step 4: Simplify right side
    3,213.56x = 6,576,018.79
  5. Step 5: Solve for x
    x = 6,576,018.79/3,213.56
  6. Step 6: Final answer
    x = 2,046.33

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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.