Home / 3,103.48-4,653.99-1,370.89

Finding the Fourth Proportional to 3,103.48, 4,653.99 and 1,370.89

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Solution

The fourth proportional to 3,103.48, 4,653.99 and 1,370.89 is: 2,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.48 : 4,653.99 = 1,370.89 : x
  2. Step 2: Convert to fraction form
    3,103.48/4,653.99 = 1,370.89/x
  3. Step 3: Cross multiply
    3,103.48x = 4,653.99 × 1,370.89
  4. Step 4: Simplify right side
    3,103.48x = 6,380,108.35
  5. Step 5: Solve for x
    x = 6,380,108.35/3,103.48
  6. Step 6: Final answer
    x = 2,055.79

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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.