Home / 3,136.16-4,704.90-1,188.32

Finding the Fourth Proportional to 3,136.16, 4,704.90 and 1,188.32

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Solution

The fourth proportional to 3,136.16, 4,704.90 and 1,188.32 is: 1,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.16 : 4,704.90 = 1,188.32 : x
  2. Step 2: Convert to fraction form
    3,136.16/4,704.90 = 1,188.32/x
  3. Step 3: Cross multiply
    3,136.16x = 4,704.90 × 1,188.32
  4. Step 4: Simplify right side
    3,136.16x = 5,590,926.77
  5. Step 5: Solve for x
    x = 5,590,926.77/3,136.16
  6. Step 6: Final answer
    x = 1,782.73

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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.