Home / 2,020.42-2,788.19-1,136.44

Finding the Fourth Proportional to 2,020.42, 2,788.19 and 1,136.44

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Solution

The fourth proportional to 2,020.42, 2,788.19 and 1,136.44 is: 1,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.42 : 2,788.19 = 1,136.44 : x
  2. Step 2: Convert to fraction form
    2,020.42/2,788.19 = 1,136.44/x
  3. Step 3: Cross multiply
    2,020.42x = 2,788.19 × 1,136.44
  4. Step 4: Simplify right side
    2,020.42x = 3,168,610.64
  5. Step 5: Solve for x
    x = 3,168,610.64/2,020.42
  6. Step 6: Final answer
    x = 1,568.29

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,021.42, 2,789.57 and 1,137.44
Similar ratio
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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.