Home / 3,220.74-4,829.22-1,575.18

Finding the Fourth Proportional to 3,220.74, 4,829.22 and 1,575.18

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Solution

The fourth proportional to 3,220.74, 4,829.22 and 1,575.18 is: 2,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.74 : 4,829.22 = 1,575.18 : x
  2. Step 2: Convert to fraction form
    3,220.74/4,829.22 = 1,575.18/x
  3. Step 3: Cross multiply
    3,220.74x = 4,829.22 × 1,575.18
  4. Step 4: Simplify right side
    3,220.74x = 7,606,890.76
  5. Step 5: Solve for x
    x = 7,606,890.76/3,220.74
  6. Step 6: Final answer
    x = 2,361.85

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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.