Home / 3,213.29-4,820.34-1,022.15

Finding the Fourth Proportional to 3,213.29, 4,820.34 and 1,022.15

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Solution

The fourth proportional to 3,213.29, 4,820.34 and 1,022.15 is: 1,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.29 : 4,820.34 = 1,022.15 : x
  2. Step 2: Convert to fraction form
    3,213.29/4,820.34 = 1,022.15/x
  3. Step 3: Cross multiply
    3,213.29x = 4,820.34 × 1,022.15
  4. Step 4: Simplify right side
    3,213.29x = 4,927,110.53
  5. Step 5: Solve for x
    x = 4,927,110.53/3,213.29
  6. Step 6: Final answer
    x = 1,533.35

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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.