Home / 3,313.27-4,572.32-1,821.34

Finding the Fourth Proportional to 3,313.27, 4,572.32 and 1,821.34

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Solution

The fourth proportional to 3,313.27, 4,572.32 and 1,821.34 is: 2,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.27 : 4,572.32 = 1,821.34 : x
  2. Step 2: Convert to fraction form
    3,313.27/4,572.32 = 1,821.34/x
  3. Step 3: Cross multiply
    3,313.27x = 4,572.32 × 1,821.34
  4. Step 4: Simplify right side
    3,313.27x = 8,327,749.31
  5. Step 5: Solve for x
    x = 8,327,749.31/3,313.27
  6. Step 6: Final answer
    x = 2,513.45

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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.