Home / 1,902.01-2,625.33-1,203.79

Finding the Fourth Proportional to 1,902.01, 2,625.33 and 1,203.79

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Solution

The fourth proportional to 1,902.01, 2,625.33 and 1,203.79 is: 1,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.01 : 2,625.33 = 1,203.79 : x
  2. Step 2: Convert to fraction form
    1,902.01/2,625.33 = 1,203.79/x
  3. Step 3: Cross multiply
    1,902.01x = 2,625.33 × 1,203.79
  4. Step 4: Simplify right side
    1,902.01x = 3,160,346.00
  5. Step 5: Solve for x
    x = 3,160,346.00/1,902.01
  6. Step 6: Final answer
    x = 1,661.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.