Home / 2,136.63-2,948.46-1,192.41

Finding the Fourth Proportional to 2,136.63, 2,948.46 and 1,192.41

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Solution

The fourth proportional to 2,136.63, 2,948.46 and 1,192.41 is: 1,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.63 : 2,948.46 = 1,192.41 : x
  2. Step 2: Convert to fraction form
    2,136.63/2,948.46 = 1,192.41/x
  3. Step 3: Cross multiply
    2,136.63x = 2,948.46 × 1,192.41
  4. Step 4: Simplify right side
    2,136.63x = 3,515,773.19
  5. Step 5: Solve for x
    x = 3,515,773.19/2,136.63
  6. Step 6: Final answer
    x = 1,645.48

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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.