Home / 3,828.77-5,283.99-2,150.28

Finding the Fourth Proportional to 3,828.77, 5,283.99 and 2,150.28

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Solution

The fourth proportional to 3,828.77, 5,283.99 and 2,150.28 is: 2,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.77 : 5,283.99 = 2,150.28 : x
  2. Step 2: Convert to fraction form
    3,828.77/5,283.99 = 2,150.28/x
  3. Step 3: Cross multiply
    3,828.77x = 5,283.99 × 2,150.28
  4. Step 4: Simplify right side
    3,828.77x = 11,362,058.02
  5. Step 5: Solve for x
    x = 11,362,058.02/3,828.77
  6. Step 6: Final answer
    x = 2,967.55

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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.