Home / 4,099.65-5,657.76-3,103.35

Finding the Fourth Proportional to 4,099.65, 5,657.76 and 3,103.35

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Solution

The fourth proportional to 4,099.65, 5,657.76 and 3,103.35 is: 4,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.65 : 5,657.76 = 3,103.35 : x
  2. Step 2: Convert to fraction form
    4,099.65/5,657.76 = 3,103.35/x
  3. Step 3: Cross multiply
    4,099.65x = 5,657.76 × 3,103.35
  4. Step 4: Simplify right side
    4,099.65x = 17,557,993.98
  5. Step 5: Solve for x
    x = 17,557,993.98/4,099.65
  6. Step 6: Final answer
    x = 4,282.80

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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.