Home / 1,493.49-2,240.20-1,448.38

Finding the Fourth Proportional to 1,493.49, 2,240.20 and 1,448.38

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Solution

The fourth proportional to 1,493.49, 2,240.20 and 1,448.38 is: 2,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.49 : 2,240.20 = 1,448.38 : x
  2. Step 2: Convert to fraction form
    1,493.49/2,240.20 = 1,448.38/x
  3. Step 3: Cross multiply
    1,493.49x = 2,240.20 × 1,448.38
  4. Step 4: Simplify right side
    1,493.49x = 3,244,660.88
  5. Step 5: Solve for x
    x = 3,244,660.88/1,493.49
  6. Step 6: Final answer
    x = 2,172.54

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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.