Home / 2,281.56-3,420.24-1,110.90

Finding the Fourth Proportional to 2,281.56, 3,420.24 and 1,110.90

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Solution

The fourth proportional to 2,281.56, 3,420.24 and 1,110.90 is: 1,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.56 : 3,420.24 = 1,110.90 : x
  2. Step 2: Convert to fraction form
    2,281.56/3,420.24 = 1,110.90/x
  3. Step 3: Cross multiply
    2,281.56x = 3,420.24 × 1,110.90
  4. Step 4: Simplify right side
    2,281.56x = 3,799,544.62
  5. Step 5: Solve for x
    x = 3,799,544.62/2,281.56
  6. Step 6: Final answer
    x = 1,665.33

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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.