Home / 3,584.49-4,945.44-2,920.17

Finding the Fourth Proportional to 3,584.49, 4,945.44 and 2,920.17

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Solution

The fourth proportional to 3,584.49, 4,945.44 and 2,920.17 is: 4,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.49 : 4,945.44 = 2,920.17 : x
  2. Step 2: Convert to fraction form
    3,584.49/4,945.44 = 2,920.17/x
  3. Step 3: Cross multiply
    3,584.49x = 4,945.44 × 2,920.17
  4. Step 4: Simplify right side
    3,584.49x = 14,441,525.52
  5. Step 5: Solve for x
    x = 14,441,525.52/3,584.49
  6. Step 6: Final answer
    x = 4,028.89

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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.