Home / 2,997.49-4,136.53-1,738.80

Finding the Fourth Proportional to 2,997.49, 4,136.53 and 1,738.80

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Solution

The fourth proportional to 2,997.49, 4,136.53 and 1,738.80 is: 2,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.49 : 4,136.53 = 1,738.80 : x
  2. Step 2: Convert to fraction form
    2,997.49/4,136.53 = 1,738.80/x
  3. Step 3: Cross multiply
    2,997.49x = 4,136.53 × 1,738.80
  4. Step 4: Simplify right side
    2,997.49x = 7,192,598.36
  5. Step 5: Solve for x
    x = 7,192,598.36/2,997.49
  6. Step 6: Final answer
    x = 2,399.54

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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.