Home / 2,020.95-2,788.56-1,136.79

Finding the Fourth Proportional to 2,020.95, 2,788.56 and 1,136.79

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Solution

The fourth proportional to 2,020.95, 2,788.56 and 1,136.79 is: 1,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.95 : 2,788.56 = 1,136.79 : x
  2. Step 2: Convert to fraction form
    2,020.95/2,788.56 = 1,136.79/x
  3. Step 3: Cross multiply
    2,020.95x = 2,788.56 × 1,136.79
  4. Step 4: Simplify right side
    2,020.95x = 3,170,007.12
  5. Step 5: Solve for x
    x = 3,170,007.12/2,020.95
  6. Step 6: Final answer
    x = 1,568.57

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.