Home / 3,136.73-4,705.79-1,056.57

Finding the Fourth Proportional to 3,136.73, 4,705.79 and 1,056.57

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Solution

The fourth proportional to 3,136.73, 4,705.79 and 1,056.57 is: 1,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.73 : 4,705.79 = 1,056.57 : x
  2. Step 2: Convert to fraction form
    3,136.73/4,705.79 = 1,056.57/x
  3. Step 3: Cross multiply
    3,136.73x = 4,705.79 × 1,056.57
  4. Step 4: Simplify right side
    3,136.73x = 4,971,996.54
  5. Step 5: Solve for x
    x = 4,971,996.54/3,136.73
  6. Step 6: Final answer
    x = 1,585.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.