Home / 3,313.02-4,571.99-1,821.09

Finding the Fourth Proportional to 3,313.02, 4,571.99 and 1,821.09

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Solution

The fourth proportional to 3,313.02, 4,571.99 and 1,821.09 is: 2,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.02 : 4,571.99 = 1,821.09 : x
  2. Step 2: Convert to fraction form
    3,313.02/4,571.99 = 1,821.09/x
  3. Step 3: Cross multiply
    3,313.02x = 4,571.99 × 1,821.09
  4. Step 4: Simplify right side
    3,313.02x = 8,325,996.16
  5. Step 5: Solve for x
    x = 8,325,996.16/3,313.02
  6. Step 6: Final answer
    x = 2,513.11

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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.