Home / 3,040.14-4,194.43-1,780.34

Finding the Fourth Proportional to 3,040.14, 4,194.43 and 1,780.34

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Solution

The fourth proportional to 3,040.14, 4,194.43 and 1,780.34 is: 2,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.14 : 4,194.43 = 1,780.34 : x
  2. Step 2: Convert to fraction form
    3,040.14/4,194.43 = 1,780.34/x
  3. Step 3: Cross multiply
    3,040.14x = 4,194.43 × 1,780.34
  4. Step 4: Simplify right side
    3,040.14x = 7,467,507.89
  5. Step 5: Solve for x
    x = 7,467,507.89/3,040.14
  6. Step 6: Final answer
    x = 2,456.30

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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.