Home / 1,539.25-2,301.37-1,310.83

Finding the Fourth Proportional to 1,539.25, 2,301.37 and 1,310.83

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Solution

The fourth proportional to 1,539.25, 2,301.37 and 1,310.83 is: 1,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.25 : 2,301.37 = 1,310.83 : x
  2. Step 2: Convert to fraction form
    1,539.25/2,301.37 = 1,310.83/x
  3. Step 3: Cross multiply
    1,539.25x = 2,301.37 × 1,310.83
  4. Step 4: Simplify right side
    1,539.25x = 3,016,704.84
  5. Step 5: Solve for x
    x = 3,016,704.84/1,539.25
  6. Step 6: Final answer
    x = 1,959.85

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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.