Home / 2,020.66-2,788.50-1,136.45

Finding the Fourth Proportional to 2,020.66, 2,788.50 and 1,136.45

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Solution

The fourth proportional to 2,020.66, 2,788.50 and 1,136.45 is: 1,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.66 : 2,788.50 = 1,136.45 : x
  2. Step 2: Convert to fraction form
    2,020.66/2,788.50 = 1,136.45/x
  3. Step 3: Cross multiply
    2,020.66x = 2,788.50 × 1,136.45
  4. Step 4: Simplify right side
    2,020.66x = 3,168,976.88
  5. Step 5: Solve for x
    x = 3,168,976.88/2,020.66
  6. Step 6: Final answer
    x = 1,568.29

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.