Home / 3,228.03-4,842.81-1,378.17

Finding the Fourth Proportional to 3,228.03, 4,842.81 and 1,378.17

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Solution

The fourth proportional to 3,228.03, 4,842.81 and 1,378.17 is: 2,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.03 : 4,842.81 = 1,378.17 : x
  2. Step 2: Convert to fraction form
    3,228.03/4,842.81 = 1,378.17/x
  3. Step 3: Cross multiply
    3,228.03x = 4,842.81 × 1,378.17
  4. Step 4: Simplify right side
    3,228.03x = 6,674,215.46
  5. Step 5: Solve for x
    x = 6,674,215.46/3,228.03
  6. Step 6: Final answer
    x = 2,067.58

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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.