Home / 3,838.08-5,297.08-2,245.20

Finding the Fourth Proportional to 3,838.08, 5,297.08 and 2,245.20

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Solution

The fourth proportional to 3,838.08, 5,297.08 and 2,245.20 is: 3,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.08 : 5,297.08 = 2,245.20 : x
  2. Step 2: Convert to fraction form
    3,838.08/5,297.08 = 2,245.20/x
  3. Step 3: Cross multiply
    3,838.08x = 5,297.08 × 2,245.20
  4. Step 4: Simplify right side
    3,838.08x = 11,893,004.02
  5. Step 5: Solve for x
    x = 11,893,004.02/3,838.08
  6. Step 6: Final answer
    x = 3,098.69

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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.