Home / 3,480.75-4,804.52-2,238.75

Finding the Fourth Proportional to 3,480.75, 4,804.52 and 2,238.75

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Solution

The fourth proportional to 3,480.75, 4,804.52 and 2,238.75 is: 3,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.75 : 4,804.52 = 2,238.75 : x
  2. Step 2: Convert to fraction form
    3,480.75/4,804.52 = 2,238.75/x
  3. Step 3: Cross multiply
    3,480.75x = 4,804.52 × 2,238.75
  4. Step 4: Simplify right side
    3,480.75x = 10,756,107.96
  5. Step 5: Solve for x
    x = 10,756,107.96/3,480.75
  6. Step 6: Final answer
    x = 3,090.17

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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.