Home / 1,370.73-2,060.55-1,099.79

Finding the Fourth Proportional to 1,370.73, 2,060.55 and 1,099.79

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Solution

The fourth proportional to 1,370.73, 2,060.55 and 1,099.79 is: 1,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.73 : 2,060.55 = 1,099.79 : x
  2. Step 2: Convert to fraction form
    1,370.73/2,060.55 = 1,099.79/x
  3. Step 3: Cross multiply
    1,370.73x = 2,060.55 × 1,099.79
  4. Step 4: Simplify right side
    1,370.73x = 2,266,161.98
  5. Step 5: Solve for x
    x = 2,266,161.98/1,370.73
  6. Step 6: Final answer
    x = 1,653.25

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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.