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Finding the Fourth Proportional to 3,313.19, 4,572.23 and 1,821.14

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Solution

The fourth proportional to 3,313.19, 4,572.23 and 1,821.14 is: 2,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.19 : 4,572.23 = 1,821.14 : x
  2. Step 2: Convert to fraction form
    3,313.19/4,572.23 = 1,821.14/x
  3. Step 3: Cross multiply
    3,313.19x = 4,572.23 × 1,821.14
  4. Step 4: Simplify right side
    3,313.19x = 8,326,670.94
  5. Step 5: Solve for x
    x = 8,326,670.94/3,313.19
  6. Step 6: Final answer
    x = 2,513.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.