Home / 2,021.15-2,788.83-1,136.63

Finding the Fourth Proportional to 2,021.15, 2,788.83 and 1,136.63

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Solution

The fourth proportional to 2,021.15, 2,788.83 and 1,136.63 is: 1,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.15 : 2,788.83 = 1,136.63 : x
  2. Step 2: Convert to fraction form
    2,021.15/2,788.83 = 1,136.63/x
  3. Step 3: Cross multiply
    2,021.15x = 2,788.83 × 1,136.63
  4. Step 4: Simplify right side
    2,021.15x = 3,169,874.81
  5. Step 5: Solve for x
    x = 3,169,874.81/2,021.15
  6. Step 6: Final answer
    x = 1,568.35

Related Problems

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Half scale
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Double scale
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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.