Home / 3,366.64-4,645.44-1,969.12

Finding the Fourth Proportional to 3,366.64, 4,645.44 and 1,969.12

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Solution

The fourth proportional to 3,366.64, 4,645.44 and 1,969.12 is: 2,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.64 : 4,645.44 = 1,969.12 : x
  2. Step 2: Convert to fraction form
    3,366.64/4,645.44 = 1,969.12/x
  3. Step 3: Cross multiply
    3,366.64x = 4,645.44 × 1,969.12
  4. Step 4: Simplify right side
    3,366.64x = 9,147,428.81
  5. Step 5: Solve for x
    x = 9,147,428.81/3,366.64
  6. Step 6: Final answer
    x = 2,717.08

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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.