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Finding the Fourth Proportional to 3,995.08, 5,499.86 and 2,998.68

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Solution

The fourth proportional to 3,995.08, 5,499.86 and 2,998.68 is: 4,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.08 : 5,499.86 = 2,998.68 : x
  2. Step 2: Convert to fraction form
    3,995.08/5,499.86 = 2,998.68/x
  3. Step 3: Cross multiply
    3,995.08x = 5,499.86 × 2,998.68
  4. Step 4: Simplify right side
    3,995.08x = 16,492,320.18
  5. Step 5: Solve for x
    x = 16,492,320.18/3,995.08
  6. Step 6: Final answer
    x = 4,128.16

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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.