Home / 2,218.28-3,057.98-1,745.28

Finding the Fourth Proportional to 2,218.28, 3,057.98 and 1,745.28

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Solution

The fourth proportional to 2,218.28, 3,057.98 and 1,745.28 is: 2,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.28 : 3,057.98 = 1,745.28 : x
  2. Step 2: Convert to fraction form
    2,218.28/3,057.98 = 1,745.28/x
  3. Step 3: Cross multiply
    2,218.28x = 3,057.98 × 1,745.28
  4. Step 4: Simplify right side
    2,218.28x = 5,337,027.55
  5. Step 5: Solve for x
    x = 5,337,027.55/2,218.28
  6. Step 6: Final answer
    x = 2,405.93

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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.