Home / 3,619.90-5,430.94-2,567.74

Finding the Fourth Proportional to 3,619.90, 5,430.94 and 2,567.74

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Solution

The fourth proportional to 3,619.90, 5,430.94 and 2,567.74 is: 3,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.90 : 5,430.94 = 2,567.74 : x
  2. Step 2: Convert to fraction form
    3,619.90/5,430.94 = 2,567.74/x
  3. Step 3: Cross multiply
    3,619.90x = 5,430.94 × 2,567.74
  4. Step 4: Simplify right side
    3,619.90x = 13,945,241.88
  5. Step 5: Solve for x
    x = 13,945,241.88/3,619.90
  6. Step 6: Final answer
    x = 3,852.38

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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.