Home / 2,632.61-3,948.90-1,072.26

Finding the Fourth Proportional to 2,632.61, 3,948.90 and 1,072.26

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Solution

The fourth proportional to 2,632.61, 3,948.90 and 1,072.26 is: 1,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.61 : 3,948.90 = 1,072.26 : x
  2. Step 2: Convert to fraction form
    2,632.61/3,948.90 = 1,072.26/x
  3. Step 3: Cross multiply
    2,632.61x = 3,948.90 × 1,072.26
  4. Step 4: Simplify right side
    2,632.61x = 4,234,266.34
  5. Step 5: Solve for x
    x = 4,234,266.34/2,632.61
  6. Step 6: Final answer
    x = 1,608.39

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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.