Home / 4,120.70-6,176.91-2,042.21

Finding the Fourth Proportional to 4,120.70, 6,176.91 and 2,042.21

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Solution

The fourth proportional to 4,120.70, 6,176.91 and 2,042.21 is: 3,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.70 : 6,176.91 = 2,042.21 : x
  2. Step 2: Convert to fraction form
    4,120.70/6,176.91 = 2,042.21/x
  3. Step 3: Cross multiply
    4,120.70x = 6,176.91 × 2,042.21
  4. Step 4: Simplify right side
    4,120.70x = 12,614,570.47
  5. Step 5: Solve for x
    x = 12,614,570.47/4,120.70
  6. Step 6: Final answer
    x = 3,061.27

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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.