Home / 3,498.78-5,249.93-1,307.73

Finding the Fourth Proportional to 3,498.78, 5,249.93 and 1,307.73

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Solution

The fourth proportional to 3,498.78, 5,249.93 and 1,307.73 is: 1,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.78 : 5,249.93 = 1,307.73 : x
  2. Step 2: Convert to fraction form
    3,498.78/5,249.93 = 1,307.73/x
  3. Step 3: Cross multiply
    3,498.78x = 5,249.93 × 1,307.73
  4. Step 4: Simplify right side
    3,498.78x = 6,865,490.96
  5. Step 5: Solve for x
    x = 6,865,490.96/3,498.78
  6. Step 6: Final answer
    x = 1,962.25

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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.