Home / 3,339.36-4,604.31-2,890.62

Finding the Fourth Proportional to 3,339.36, 4,604.31 and 2,890.62

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Solution

The fourth proportional to 3,339.36, 4,604.31 and 2,890.62 is: 3,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.36 : 4,604.31 = 2,890.62 : x
  2. Step 2: Convert to fraction form
    3,339.36/4,604.31 = 2,890.62/x
  3. Step 3: Cross multiply
    3,339.36x = 4,604.31 × 2,890.62
  4. Step 4: Simplify right side
    3,339.36x = 13,309,310.57
  5. Step 5: Solve for x
    x = 13,309,310.57/3,339.36
  6. Step 6: Final answer
    x = 3,985.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.