Home / 2,190.26-3,019.20-1,747.46

Finding the Fourth Proportional to 2,190.26, 3,019.20 and 1,747.46

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Solution

The fourth proportional to 2,190.26, 3,019.20 and 1,747.46 is: 2,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.26 : 3,019.20 = 1,747.46 : x
  2. Step 2: Convert to fraction form
    2,190.26/3,019.20 = 1,747.46/x
  3. Step 3: Cross multiply
    2,190.26x = 3,019.20 × 1,747.46
  4. Step 4: Simplify right side
    2,190.26x = 5,275,931.23
  5. Step 5: Solve for x
    x = 5,275,931.23/2,190.26
  6. Step 6: Final answer
    x = 2,408.82

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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.