Home / 3,003.30-4,505.22-1,687.46

Finding the Fourth Proportional to 3,003.30, 4,505.22 and 1,687.46

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Solution

The fourth proportional to 3,003.30, 4,505.22 and 1,687.46 is: 2,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.30 : 4,505.22 = 1,687.46 : x
  2. Step 2: Convert to fraction form
    3,003.30/4,505.22 = 1,687.46/x
  3. Step 3: Cross multiply
    3,003.30x = 4,505.22 × 1,687.46
  4. Step 4: Simplify right side
    3,003.30x = 7,602,356.02
  5. Step 5: Solve for x
    x = 7,602,356.02/3,003.30
  6. Step 6: Final answer
    x = 2,531.33

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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.