Home / 4,128.13-6,192.89-2,048.21

Finding the Fourth Proportional to 4,128.13, 6,192.89 and 2,048.21

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Solution

The fourth proportional to 4,128.13, 6,192.89 and 2,048.21 is: 3,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.13 : 6,192.89 = 2,048.21 : x
  2. Step 2: Convert to fraction form
    4,128.13/6,192.89 = 2,048.21/x
  3. Step 3: Cross multiply
    4,128.13x = 6,192.89 × 2,048.21
  4. Step 4: Simplify right side
    4,128.13x = 12,684,339.23
  5. Step 5: Solve for x
    x = 12,684,339.23/4,128.13
  6. Step 6: Final answer
    x = 3,072.66

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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.