Home / 2,020.87-2,788.68-1,136.67

Finding the Fourth Proportional to 2,020.87, 2,788.68 and 1,136.67

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Solution

The fourth proportional to 2,020.87, 2,788.68 and 1,136.67 is: 1,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.87 : 2,788.68 = 1,136.67 : x
  2. Step 2: Convert to fraction form
    2,020.87/2,788.68 = 1,136.67/x
  3. Step 3: Cross multiply
    2,020.87x = 2,788.68 × 1,136.67
  4. Step 4: Simplify right side
    2,020.87x = 3,169,808.90
  5. Step 5: Solve for x
    x = 3,169,808.90/2,020.87
  6. Step 6: Final answer
    x = 1,568.54

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.