Home / 3,620.89-5,433.93-1,542.35

Finding the Fourth Proportional to 3,620.89, 5,433.93 and 1,542.35

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Solution

The fourth proportional to 3,620.89, 5,433.93 and 1,542.35 is: 2,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.89 : 5,433.93 = 1,542.35 : x
  2. Step 2: Convert to fraction form
    3,620.89/5,433.93 = 1,542.35/x
  3. Step 3: Cross multiply
    3,620.89x = 5,433.93 × 1,542.35
  4. Step 4: Simplify right side
    3,620.89x = 8,381,014.22
  5. Step 5: Solve for x
    x = 8,381,014.22/3,620.89
  6. Step 6: Final answer
    x = 2,314.63

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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.