Home / 3,620.93-5,431.35-1,023.89

Finding the Fourth Proportional to 3,620.93, 5,431.35 and 1,023.89

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Solution

The fourth proportional to 3,620.93, 5,431.35 and 1,023.89 is: 1,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.93 : 5,431.35 = 1,023.89 : x
  2. Step 2: Convert to fraction form
    3,620.93/5,431.35 = 1,023.89/x
  3. Step 3: Cross multiply
    3,620.93x = 5,431.35 × 1,023.89
  4. Step 4: Simplify right side
    3,620.93x = 5,561,104.95
  5. Step 5: Solve for x
    x = 5,561,104.95/3,620.93
  6. Step 6: Final answer
    x = 1,535.82

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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.