Home / 3,040.32-4,561.44-1,672

Finding the Fourth Proportional to 3,040.32, 4,561.44 and 1,672

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Solution

The fourth proportional to 3,040.32, 4,561.44 and 1,672 is: 2,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.32 : 4,561.44 = 1,672 : x
  2. Step 2: Convert to fraction form
    3,040.32/4,561.44 = 1,672/x
  3. Step 3: Cross multiply
    3,040.32x = 4,561.44 × 1,672
  4. Step 4: Simplify right side
    3,040.32x = 7,626,727.68
  5. Step 5: Solve for x
    x = 7,626,727.68/3,040.32
  6. Step 6: Final answer
    x = 2,508.53

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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.