Home / 2,291.37-3,438.14-1,136.97

Finding the Fourth Proportional to 2,291.37, 3,438.14 and 1,136.97

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Solution

The fourth proportional to 2,291.37, 3,438.14 and 1,136.97 is: 1,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.37 : 3,438.14 = 1,136.97 : x
  2. Step 2: Convert to fraction form
    2,291.37/3,438.14 = 1,136.97/x
  3. Step 3: Cross multiply
    2,291.37x = 3,438.14 × 1,136.97
  4. Step 4: Simplify right side
    2,291.37x = 3,909,056.35
  5. Step 5: Solve for x
    x = 3,909,056.35/2,291.37
  6. Step 6: Final answer
    x = 1,705.99

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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.