Home / 1,825.90-2,741.39-1,269.30

Finding the Fourth Proportional to 1,825.90, 2,741.39 and 1,269.30

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Solution

The fourth proportional to 1,825.90, 2,741.39 and 1,269.30 is: 1,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.90 : 2,741.39 = 1,269.30 : x
  2. Step 2: Convert to fraction form
    1,825.90/2,741.39 = 1,269.30/x
  3. Step 3: Cross multiply
    1,825.90x = 2,741.39 × 1,269.30
  4. Step 4: Simplify right side
    1,825.90x = 3,479,646.33
  5. Step 5: Solve for x
    x = 3,479,646.33/1,825.90
  6. Step 6: Final answer
    x = 1,905.72

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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.