Home / 3,313.10-4,572.25-1,821.22

Finding the Fourth Proportional to 3,313.10, 4,572.25 and 1,821.22

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Solution

The fourth proportional to 3,313.10, 4,572.25 and 1,821.22 is: 2,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.10 : 4,572.25 = 1,821.22 : x
  2. Step 2: Convert to fraction form
    3,313.10/4,572.25 = 1,821.22/x
  3. Step 3: Cross multiply
    3,313.10x = 4,572.25 × 1,821.22
  4. Step 4: Simplify right side
    3,313.10x = 8,327,057.16
  5. Step 5: Solve for x
    x = 8,327,057.16/3,313.10
  6. Step 6: Final answer
    x = 2,513.37

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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.