Home / 1,774.56-2,661.46-1,686.75

Finding the Fourth Proportional to 1,774.56, 2,661.46 and 1,686.75

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Solution

The fourth proportional to 1,774.56, 2,661.46 and 1,686.75 is: 2,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.56 : 2,661.46 = 1,686.75 : x
  2. Step 2: Convert to fraction form
    1,774.56/2,661.46 = 1,686.75/x
  3. Step 3: Cross multiply
    1,774.56x = 2,661.46 × 1,686.75
  4. Step 4: Simplify right side
    1,774.56x = 4,489,217.66
  5. Step 5: Solve for x
    x = 4,489,217.66/1,774.56
  6. Step 6: Final answer
    x = 2,529.76

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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.