Home / 1,824.95-2,735.60-1,687.65

Finding the Fourth Proportional to 1,824.95, 2,735.60 and 1,687.65

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Solution

The fourth proportional to 1,824.95, 2,735.60 and 1,687.65 is: 2,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.95 : 2,735.60 = 1,687.65 : x
  2. Step 2: Convert to fraction form
    1,824.95/2,735.60 = 1,687.65/x
  3. Step 3: Cross multiply
    1,824.95x = 2,735.60 × 1,687.65
  4. Step 4: Simplify right side
    1,824.95x = 4,616,726.90
  5. Step 5: Solve for x
    x = 4,616,726.90/1,824.95
  6. Step 6: Final answer
    x = 2,529.79

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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.