Home / 3,313.39-4,969.48-1,338.92

Finding the Fourth Proportional to 3,313.39, 4,969.48 and 1,338.92

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Solution

The fourth proportional to 3,313.39, 4,969.48 and 1,338.92 is: 2,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.39 : 4,969.48 = 1,338.92 : x
  2. Step 2: Convert to fraction form
    3,313.39/4,969.48 = 1,338.92/x
  3. Step 3: Cross multiply
    3,313.39x = 4,969.48 × 1,338.92
  4. Step 4: Simplify right side
    3,313.39x = 6,653,736.16
  5. Step 5: Solve for x
    x = 6,653,736.16/3,313.39
  6. Step 6: Final answer
    x = 2,008.14

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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.