Home / 3,884.58-5,358.73-2,540.98

Finding the Fourth Proportional to 3,884.58, 5,358.73 and 2,540.98

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Solution

The fourth proportional to 3,884.58, 5,358.73 and 2,540.98 is: 3,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.58 : 5,358.73 = 2,540.98 : x
  2. Step 2: Convert to fraction form
    3,884.58/5,358.73 = 2,540.98/x
  3. Step 3: Cross multiply
    3,884.58x = 5,358.73 × 2,540.98
  4. Step 4: Simplify right side
    3,884.58x = 13,616,445.55
  5. Step 5: Solve for x
    x = 13,616,445.55/3,884.58
  6. Step 6: Final answer
    x = 3,505.25

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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.