Home / 2,213.70-3,314.61-1,237.02

Finding the Fourth Proportional to 2,213.70, 3,314.61 and 1,237.02

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Solution

The fourth proportional to 2,213.70, 3,314.61 and 1,237.02 is: 1,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.70 : 3,314.61 = 1,237.02 : x
  2. Step 2: Convert to fraction form
    2,213.70/3,314.61 = 1,237.02/x
  3. Step 3: Cross multiply
    2,213.70x = 3,314.61 × 1,237.02
  4. Step 4: Simplify right side
    2,213.70x = 4,100,238.86
  5. Step 5: Solve for x
    x = 4,100,238.86/2,213.70
  6. Step 6: Final answer
    x = 1,852.21

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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.