Home / 2,355.12-3,535.24-1,771.79

Finding the Fourth Proportional to 2,355.12, 3,535.24 and 1,771.79

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Solution

The fourth proportional to 2,355.12, 3,535.24 and 1,771.79 is: 2,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.12 : 3,535.24 = 1,771.79 : x
  2. Step 2: Convert to fraction form
    2,355.12/3,535.24 = 1,771.79/x
  3. Step 3: Cross multiply
    2,355.12x = 3,535.24 × 1,771.79
  4. Step 4: Simplify right side
    2,355.12x = 6,263,702.88
  5. Step 5: Solve for x
    x = 6,263,702.88/2,355.12
  6. Step 6: Final answer
    x = 2,659.61

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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.