Home / 3,281.66-4,922.56-1,090.56

Finding the Fourth Proportional to 3,281.66, 4,922.56 and 1,090.56

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Solution

The fourth proportional to 3,281.66, 4,922.56 and 1,090.56 is: 1,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.66 : 4,922.56 = 1,090.56 : x
  2. Step 2: Convert to fraction form
    3,281.66/4,922.56 = 1,090.56/x
  3. Step 3: Cross multiply
    3,281.66x = 4,922.56 × 1,090.56
  4. Step 4: Simplify right side
    3,281.66x = 5,368,337.45
  5. Step 5: Solve for x
    x = 5,368,337.45/3,281.66
  6. Step 6: Final answer
    x = 1,635.86

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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.