Home / 3,101.88-4,647.04-1,540.10

Finding the Fourth Proportional to 3,101.88, 4,647.04 and 1,540.10

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Solution

The fourth proportional to 3,101.88, 4,647.04 and 1,540.10 is: 2,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.88 : 4,647.04 = 1,540.10 : x
  2. Step 2: Convert to fraction form
    3,101.88/4,647.04 = 1,540.10/x
  3. Step 3: Cross multiply
    3,101.88x = 4,647.04 × 1,540.10
  4. Step 4: Simplify right side
    3,101.88x = 7,156,906.30
  5. Step 5: Solve for x
    x = 7,156,906.30/3,101.88
  6. Step 6: Final answer
    x = 2,307.28

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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.