Home / 3,290.67-4,938.48-1,627.32

Finding the Fourth Proportional to 3,290.67, 4,938.48 and 1,627.32

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Solution

The fourth proportional to 3,290.67, 4,938.48 and 1,627.32 is: 2,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.67 : 4,938.48 = 1,627.32 : x
  2. Step 2: Convert to fraction form
    3,290.67/4,938.48 = 1,627.32/x
  3. Step 3: Cross multiply
    3,290.67x = 4,938.48 × 1,627.32
  4. Step 4: Simplify right side
    3,290.67x = 8,036,487.27
  5. Step 5: Solve for x
    x = 8,036,487.27/3,290.67
  6. Step 6: Final answer
    x = 2,442.20

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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.