Home / 3,630.78-5,010.12-2,058.60

Finding the Fourth Proportional to 3,630.78, 5,010.12 and 2,058.60

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Solution

The fourth proportional to 3,630.78, 5,010.12 and 2,058.60 is: 2,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.78 : 5,010.12 = 2,058.60 : x
  2. Step 2: Convert to fraction form
    3,630.78/5,010.12 = 2,058.60/x
  3. Step 3: Cross multiply
    3,630.78x = 5,010.12 × 2,058.60
  4. Step 4: Simplify right side
    3,630.78x = 10,313,833.03
  5. Step 5: Solve for x
    x = 10,313,833.03/3,630.78
  6. Step 6: Final answer
    x = 2,840.67

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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.