Home / 1,239.92-1,849.72-1,202.59

Finding the Fourth Proportional to 1,239.92, 1,849.72 and 1,202.59

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Solution

The fourth proportional to 1,239.92, 1,849.72 and 1,202.59 is: 1,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239.92 : 1,849.72 = 1,202.59 : x
  2. Step 2: Convert to fraction form
    1,239.92/1,849.72 = 1,202.59/x
  3. Step 3: Cross multiply
    1,239.92x = 1,849.72 × 1,202.59
  4. Step 4: Simplify right side
    1,239.92x = 2,224,454.77
  5. Step 5: Solve for x
    x = 2,224,454.77/1,239.92
  6. Step 6: Final answer
    x = 1,794.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.