Home / 3,630.45-5,009.88-2,058.60

Finding the Fourth Proportional to 3,630.45, 5,009.88 and 2,058.60

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Solution

The fourth proportional to 3,630.45, 5,009.88 and 2,058.60 is: 2,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.45 : 5,009.88 = 2,058.60 : x
  2. Step 2: Convert to fraction form
    3,630.45/5,009.88 = 2,058.60/x
  3. Step 3: Cross multiply
    3,630.45x = 5,009.88 × 2,058.60
  4. Step 4: Simplify right side
    3,630.45x = 10,313,338.97
  5. Step 5: Solve for x
    x = 10,313,338.97/3,630.45
  6. Step 6: Final answer
    x = 2,840.79

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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.