Home / 2,020.12-2,787.62-1,136.05

Finding the Fourth Proportional to 2,020.12, 2,787.62 and 1,136.05

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Solution

The fourth proportional to 2,020.12, 2,787.62 and 1,136.05 is: 1,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.12 : 2,787.62 = 1,136.05 : x
  2. Step 2: Convert to fraction form
    2,020.12/2,787.62 = 1,136.05/x
  3. Step 3: Cross multiply
    2,020.12x = 2,787.62 × 1,136.05
  4. Step 4: Simplify right side
    2,020.12x = 3,166,875.70
  5. Step 5: Solve for x
    x = 3,166,875.70/2,020.12
  6. Step 6: Final answer
    x = 1,567.67

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.