Home / 3,047.59-4,198.39-2,899.36

Finding the Fourth Proportional to 3,047.59, 4,198.39 and 2,899.36

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Solution

The fourth proportional to 3,047.59, 4,198.39 and 2,899.36 is: 3,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.59 : 4,198.39 = 2,899.36 : x
  2. Step 2: Convert to fraction form
    3,047.59/4,198.39 = 2,899.36/x
  3. Step 3: Cross multiply
    3,047.59x = 4,198.39 × 2,899.36
  4. Step 4: Simplify right side
    3,047.59x = 12,172,644.03
  5. Step 5: Solve for x
    x = 12,172,644.03/3,047.59
  6. Step 6: Final answer
    x = 3,994.19

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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.