Home / 3,021.66-4,532.40-1,072.50

Finding the Fourth Proportional to 3,021.66, 4,532.40 and 1,072.50

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Solution

The fourth proportional to 3,021.66, 4,532.40 and 1,072.50 is: 1,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.66 : 4,532.40 = 1,072.50 : x
  2. Step 2: Convert to fraction form
    3,021.66/4,532.40 = 1,072.50/x
  3. Step 3: Cross multiply
    3,021.66x = 4,532.40 × 1,072.50
  4. Step 4: Simplify right side
    3,021.66x = 4,860,999
  5. Step 5: Solve for x
    x = 4,860,999/3,021.66
  6. Step 6: Final answer
    x = 1,608.72

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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.