Home / 3,540.24-4,889.16-2,654.64

Finding the Fourth Proportional to 3,540.24, 4,889.16 and 2,654.64

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Solution

The fourth proportional to 3,540.24, 4,889.16 and 2,654.64 is: 3,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.24 : 4,889.16 = 2,654.64 : x
  2. Step 2: Convert to fraction form
    3,540.24/4,889.16 = 2,654.64/x
  3. Step 3: Cross multiply
    3,540.24x = 4,889.16 × 2,654.64
  4. Step 4: Simplify right side
    3,540.24x = 12,978,959.70
  5. Step 5: Solve for x
    x = 12,978,959.70/3,540.24
  6. Step 6: Final answer
    x = 3,666.12

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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.