Home / 3,290.60-4,930.40-2,314.96

Finding the Fourth Proportional to 3,290.60, 4,930.40 and 2,314.96

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Solution

The fourth proportional to 3,290.60, 4,930.40 and 2,314.96 is: 3,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.60 : 4,930.40 = 2,314.96 : x
  2. Step 2: Convert to fraction form
    3,290.60/4,930.40 = 2,314.96/x
  3. Step 3: Cross multiply
    3,290.60x = 4,930.40 × 2,314.96
  4. Step 4: Simplify right side
    3,290.60x = 11,413,678.78
  5. Step 5: Solve for x
    x = 11,413,678.78/3,290.60
  6. Step 6: Final answer
    x = 3,468.57

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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.