Home / 2,899.08-3,997.08-2,566.80

Finding the Fourth Proportional to 2,899.08, 3,997.08 and 2,566.80

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Solution

The fourth proportional to 2,899.08, 3,997.08 and 2,566.80 is: 3,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.08 : 3,997.08 = 2,566.80 : x
  2. Step 2: Convert to fraction form
    2,899.08/3,997.08 = 2,566.80/x
  3. Step 3: Cross multiply
    2,899.08x = 3,997.08 × 2,566.80
  4. Step 4: Simplify right side
    2,899.08x = 10,259,704.94
  5. Step 5: Solve for x
    x = 10,259,704.94/2,899.08
  6. Step 6: Final answer
    x = 3,538.95

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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.