Home / 3,104.78-4,656.20-2,611.35

Finding the Fourth Proportional to 3,104.78, 4,656.20 and 2,611.35

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Solution

The fourth proportional to 3,104.78, 4,656.20 and 2,611.35 is: 3,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.78 : 4,656.20 = 2,611.35 : x
  2. Step 2: Convert to fraction form
    3,104.78/4,656.20 = 2,611.35/x
  3. Step 3: Cross multiply
    3,104.78x = 4,656.20 × 2,611.35
  4. Step 4: Simplify right side
    3,104.78x = 12,158,954.81
  5. Step 5: Solve for x
    x = 12,158,954.81/3,104.78
  6. Step 6: Final answer
    x = 3,916.21

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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.