Home / 3,136.37-4,704.69-2,587.55

Finding the Fourth Proportional to 3,136.37, 4,704.69 and 2,587.55

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Solution

The fourth proportional to 3,136.37, 4,704.69 and 2,587.55 is: 3,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.37 : 4,704.69 = 2,587.55 : x
  2. Step 2: Convert to fraction form
    3,136.37/4,704.69 = 2,587.55/x
  3. Step 3: Cross multiply
    3,136.37x = 4,704.69 × 2,587.55
  4. Step 4: Simplify right side
    3,136.37x = 12,173,620.61
  5. Step 5: Solve for x
    x = 12,173,620.61/3,136.37
  6. Step 6: Final answer
    x = 3,881.44

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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.