Home / 3,136.10-4,705.65-2,096.60

Finding the Fourth Proportional to 3,136.10, 4,705.65 and 2,096.60

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Solution

The fourth proportional to 3,136.10, 4,705.65 and 2,096.60 is: 3,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.10 : 4,705.65 = 2,096.60 : x
  2. Step 2: Convert to fraction form
    3,136.10/4,705.65 = 2,096.60/x
  3. Step 3: Cross multiply
    3,136.10x = 4,705.65 × 2,096.60
  4. Step 4: Simplify right side
    3,136.10x = 9,865,865.79
  5. Step 5: Solve for x
    x = 9,865,865.79/3,136.10
  6. Step 6: Final answer
    x = 3,145.90

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1.5x scale

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.