Home / 3,405.10-5,103.60-3,056.80

Finding the Fourth Proportional to 3,405.10, 5,103.60 and 3,056.80

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Solution

The fourth proportional to 3,405.10, 5,103.60 and 3,056.80 is: 4,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.10 : 5,103.60 = 3,056.80 : x
  2. Step 2: Convert to fraction form
    3,405.10/5,103.60 = 3,056.80/x
  3. Step 3: Cross multiply
    3,405.10x = 5,103.60 × 3,056.80
  4. Step 4: Simplify right side
    3,405.10x = 15,600,684.48
  5. Step 5: Solve for x
    x = 15,600,684.48/3,405.10
  6. Step 6: Final answer
    x = 4,581.56

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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.