Home / 2,223.56-3,069.43-1,505.90

Finding the Fourth Proportional to 2,223.56, 3,069.43 and 1,505.90

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Solution

The fourth proportional to 2,223.56, 3,069.43 and 1,505.90 is: 2,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.56 : 3,069.43 = 1,505.90 : x
  2. Step 2: Convert to fraction form
    2,223.56/3,069.43 = 1,505.90/x
  3. Step 3: Cross multiply
    2,223.56x = 3,069.43 × 1,505.90
  4. Step 4: Simplify right side
    2,223.56x = 4,622,254.64
  5. Step 5: Solve for x
    x = 4,622,254.64/2,223.56
  6. Step 6: Final answer
    x = 2,078.76

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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.