Home / 3,136.06-4,704.90-1,380.16

Finding the Fourth Proportional to 3,136.06, 4,704.90 and 1,380.16

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Solution

The fourth proportional to 3,136.06, 4,704.90 and 1,380.16 is: 2,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.06 : 4,704.90 = 1,380.16 : x
  2. Step 2: Convert to fraction form
    3,136.06/4,704.90 = 1,380.16/x
  3. Step 3: Cross multiply
    3,136.06x = 4,704.90 × 1,380.16
  4. Step 4: Simplify right side
    3,136.06x = 6,493,514.78
  5. Step 5: Solve for x
    x = 6,493,514.78/3,136.06
  6. Step 6: Final answer
    x = 2,070.60

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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.