Home / 3,360.90-5,042.14-3,305.10

Finding the Fourth Proportional to 3,360.90, 5,042.14 and 3,305.10

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Solution

The fourth proportional to 3,360.90, 5,042.14 and 3,305.10 is: 4,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.90 : 5,042.14 = 3,305.10 : x
  2. Step 2: Convert to fraction form
    3,360.90/5,042.14 = 3,305.10/x
  3. Step 3: Cross multiply
    3,360.90x = 5,042.14 × 3,305.10
  4. Step 4: Simplify right side
    3,360.90x = 16,664,776.91
  5. Step 5: Solve for x
    x = 16,664,776.91/3,360.90
  6. Step 6: Final answer
    x = 4,958.43

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1.5x scale

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.