Home / 3,290.55-4,930.56-1,730.49

Finding the Fourth Proportional to 3,290.55, 4,930.56 and 1,730.49

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Solution

The fourth proportional to 3,290.55, 4,930.56 and 1,730.49 is: 2,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.55 : 4,930.56 = 1,730.49 : x
  2. Step 2: Convert to fraction form
    3,290.55/4,930.56 = 1,730.49/x
  3. Step 3: Cross multiply
    3,290.55x = 4,930.56 × 1,730.49
  4. Step 4: Simplify right side
    3,290.55x = 8,532,284.77
  5. Step 5: Solve for x
    x = 8,532,284.77/3,290.55
  6. Step 6: Final answer
    x = 2,592.97

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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.