Home / 2,828.35-4,242.06-2,004.12

Finding the Fourth Proportional to 2,828.35, 4,242.06 and 2,004.12

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Solution

The fourth proportional to 2,828.35, 4,242.06 and 2,004.12 is: 3,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.35 : 4,242.06 = 2,004.12 : x
  2. Step 2: Convert to fraction form
    2,828.35/4,242.06 = 2,004.12/x
  3. Step 3: Cross multiply
    2,828.35x = 4,242.06 × 2,004.12
  4. Step 4: Simplify right side
    2,828.35x = 8,501,597.29
  5. Step 5: Solve for x
    x = 8,501,597.29/2,828.35
  6. Step 6: Final answer
    x = 3,005.85

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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.