Home / 2,321.14-3,203.17-1,377.39

Finding the Fourth Proportional to 2,321.14, 3,203.17 and 1,377.39

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Solution

The fourth proportional to 2,321.14, 3,203.17 and 1,377.39 is: 1,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.14 : 3,203.17 = 1,377.39 : x
  2. Step 2: Convert to fraction form
    2,321.14/3,203.17 = 1,377.39/x
  3. Step 3: Cross multiply
    2,321.14x = 3,203.17 × 1,377.39
  4. Step 4: Simplify right side
    2,321.14x = 4,412,010.88
  5. Step 5: Solve for x
    x = 4,412,010.88/2,321.14
  6. Step 6: Final answer
    x = 1,900.80

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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.