Home / 3,657.56-5,486.54-1,192.73

Finding the Fourth Proportional to 3,657.56, 5,486.54 and 1,192.73

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Solution

The fourth proportional to 3,657.56, 5,486.54 and 1,192.73 is: 1,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.56 : 5,486.54 = 1,192.73 : x
  2. Step 2: Convert to fraction form
    3,657.56/5,486.54 = 1,192.73/x
  3. Step 3: Cross multiply
    3,657.56x = 5,486.54 × 1,192.73
  4. Step 4: Simplify right side
    3,657.56x = 6,543,927.46
  5. Step 5: Solve for x
    x = 6,543,927.46/3,657.56
  6. Step 6: Final answer
    x = 1,789.15

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1.5x scale

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.