Home / 3,313.26-4,572.66-1,821.30

Finding the Fourth Proportional to 3,313.26, 4,572.66 and 1,821.30

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Solution

The fourth proportional to 3,313.26, 4,572.66 and 1,821.30 is: 2,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.26 : 4,572.66 = 1,821.30 : x
  2. Step 2: Convert to fraction form
    3,313.26/4,572.66 = 1,821.30/x
  3. Step 3: Cross multiply
    3,313.26x = 4,572.66 × 1,821.30
  4. Step 4: Simplify right side
    3,313.26x = 8,328,185.66
  5. Step 5: Solve for x
    x = 8,328,185.66/3,313.26
  6. Step 6: Final answer
    x = 2,513.59

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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.