Home / 3,555.73-5,334.98-1,475.21

Finding the Fourth Proportional to 3,555.73, 5,334.98 and 1,475.21

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Solution

The fourth proportional to 3,555.73, 5,334.98 and 1,475.21 is: 2,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.73 : 5,334.98 = 1,475.21 : x
  2. Step 2: Convert to fraction form
    3,555.73/5,334.98 = 1,475.21/x
  3. Step 3: Cross multiply
    3,555.73x = 5,334.98 × 1,475.21
  4. Step 4: Simplify right side
    3,555.73x = 7,870,181.79
  5. Step 5: Solve for x
    x = 7,870,181.79/3,555.73
  6. Step 6: Final answer
    x = 2,213.38

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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.