Home / 3,540.18-5,307.12-1,782.88

Finding the Fourth Proportional to 3,540.18, 5,307.12 and 1,782.88

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Solution

The fourth proportional to 3,540.18, 5,307.12 and 1,782.88 is: 2,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.18 : 5,307.12 = 1,782.88 : x
  2. Step 2: Convert to fraction form
    3,540.18/5,307.12 = 1,782.88/x
  3. Step 3: Cross multiply
    3,540.18x = 5,307.12 × 1,782.88
  4. Step 4: Simplify right side
    3,540.18x = 9,461,958.11
  5. Step 5: Solve for x
    x = 9,461,958.11/3,540.18
  6. Step 6: Final answer
    x = 2,672.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.