Home / 3,370.09-5,055.36-1,422.46

Finding the Fourth Proportional to 3,370.09, 5,055.36 and 1,422.46

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Solution

The fourth proportional to 3,370.09, 5,055.36 and 1,422.46 is: 2,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.09 : 5,055.36 = 1,422.46 : x
  2. Step 2: Convert to fraction form
    3,370.09/5,055.36 = 1,422.46/x
  3. Step 3: Cross multiply
    3,370.09x = 5,055.36 × 1,422.46
  4. Step 4: Simplify right side
    3,370.09x = 7,191,047.39
  5. Step 5: Solve for x
    x = 7,191,047.39/3,370.09
  6. Step 6: Final answer
    x = 2,133.78

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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.