Home / 2,021.14-2,789.15-1,136.95

Finding the Fourth Proportional to 2,021.14, 2,789.15 and 1,136.95

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Solution

The fourth proportional to 2,021.14, 2,789.15 and 1,136.95 is: 1,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.14 : 2,789.15 = 1,136.95 : x
  2. Step 2: Convert to fraction form
    2,021.14/2,789.15 = 1,136.95/x
  3. Step 3: Cross multiply
    2,021.14x = 2,789.15 × 1,136.95
  4. Step 4: Simplify right side
    2,021.14x = 3,171,124.09
  5. Step 5: Solve for x
    x = 3,171,124.09/2,021.14
  6. Step 6: Final answer
    x = 1,568.98

Related Problems

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Half scale
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Double scale
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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.