Home / 2,998.24-4,136.44-1,818.88

Finding the Fourth Proportional to 2,998.24, 4,136.44 and 1,818.88

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Solution

The fourth proportional to 2,998.24, 4,136.44 and 1,818.88 is: 2,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.24 : 4,136.44 = 1,818.88 : x
  2. Step 2: Convert to fraction form
    2,998.24/4,136.44 = 1,818.88/x
  3. Step 3: Cross multiply
    2,998.24x = 4,136.44 × 1,818.88
  4. Step 4: Simplify right side
    2,998.24x = 7,523,687.99
  5. Step 5: Solve for x
    x = 7,523,687.99/2,998.24
  6. Step 6: Final answer
    x = 2,509.37

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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.