Home / 3,136.96-4,329.20-1,739.84

Finding the Fourth Proportional to 3,136.96, 4,329.20 and 1,739.84

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Solution

The fourth proportional to 3,136.96, 4,329.20 and 1,739.84 is: 2,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.96 : 4,329.20 = 1,739.84 : x
  2. Step 2: Convert to fraction form
    3,136.96/4,329.20 = 1,739.84/x
  3. Step 3: Cross multiply
    3,136.96x = 4,329.20 × 1,739.84
  4. Step 4: Simplify right side
    3,136.96x = 7,532,115.33
  5. Step 5: Solve for x
    x = 7,532,115.33/3,136.96
  6. Step 6: Final answer
    x = 2,401.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.