Home / 1,657.31-2,485.84-1,195.92

Finding the Fourth Proportional to 1,657.31, 2,485.84 and 1,195.92

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Solution

The fourth proportional to 1,657.31, 2,485.84 and 1,195.92 is: 1,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.31 : 2,485.84 = 1,195.92 : x
  2. Step 2: Convert to fraction form
    1,657.31/2,485.84 = 1,195.92/x
  3. Step 3: Cross multiply
    1,657.31x = 2,485.84 × 1,195.92
  4. Step 4: Simplify right side
    1,657.31x = 2,972,865.77
  5. Step 5: Solve for x
    x = 2,972,865.77/1,657.31
  6. Step 6: Final answer
    x = 1,793.79

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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.