Home / 2,208.85-3,313.10-976.30

Finding the Fourth Proportional to 2,208.85, 3,313.10 and 976.30

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Solution

The fourth proportional to 2,208.85, 3,313.10 and 976.30 is: 1,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.85 : 3,313.10 = 976.30 : x
  2. Step 2: Convert to fraction form
    2,208.85/3,313.10 = 976.30/x
  3. Step 3: Cross multiply
    2,208.85x = 3,313.10 × 976.30
  4. Step 4: Simplify right side
    2,208.85x = 3,234,581.97
  5. Step 5: Solve for x
    x = 3,234,581.97/2,208.85
  6. Step 6: Final answer
    x = 1,464.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.