Home / 3,655.21-5,481.87-1,575.94

Finding the Fourth Proportional to 3,655.21, 5,481.87 and 1,575.94

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Solution

The fourth proportional to 3,655.21, 5,481.87 and 1,575.94 is: 2,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.21 : 5,481.87 = 1,575.94 : x
  2. Step 2: Convert to fraction form
    3,655.21/5,481.87 = 1,575.94/x
  3. Step 3: Cross multiply
    3,655.21x = 5,481.87 × 1,575.94
  4. Step 4: Simplify right side
    3,655.21x = 8,639,098.21
  5. Step 5: Solve for x
    x = 8,639,098.21/3,655.21
  6. Step 6: Final answer
    x = 2,363.50

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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.