Home / 2,666.07-3,993.26-2,198.58

Finding the Fourth Proportional to 2,666.07, 3,993.26 and 2,198.58

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Solution

The fourth proportional to 2,666.07, 3,993.26 and 2,198.58 is: 3,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.07 : 3,993.26 = 2,198.58 : x
  2. Step 2: Convert to fraction form
    2,666.07/3,993.26 = 2,198.58/x
  3. Step 3: Cross multiply
    2,666.07x = 3,993.26 × 2,198.58
  4. Step 4: Simplify right side
    2,666.07x = 8,779,490.58
  5. Step 5: Solve for x
    x = 8,779,490.58/2,666.07
  6. Step 6: Final answer
    x = 3,293.05

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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.