Home / 2,559.66-3,535.83-2,170.86

Finding the Fourth Proportional to 2,559.66, 3,535.83 and 2,170.86

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Solution

The fourth proportional to 2,559.66, 3,535.83 and 2,170.86 is: 2,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.66 : 3,535.83 = 2,170.86 : x
  2. Step 2: Convert to fraction form
    2,559.66/3,535.83 = 2,170.86/x
  3. Step 3: Cross multiply
    2,559.66x = 3,535.83 × 2,170.86
  4. Step 4: Simplify right side
    2,559.66x = 7,675,791.91
  5. Step 5: Solve for x
    x = 7,675,791.91/2,559.66
  6. Step 6: Final answer
    x = 2,998.75

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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.