Home / 1,739.75-2,402.12-1,119.83

Finding the Fourth Proportional to 1,739.75, 2,402.12 and 1,119.83

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Solution

The fourth proportional to 1,739.75, 2,402.12 and 1,119.83 is: 1,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.75 : 2,402.12 = 1,119.83 : x
  2. Step 2: Convert to fraction form
    1,739.75/2,402.12 = 1,119.83/x
  3. Step 3: Cross multiply
    1,739.75x = 2,402.12 × 1,119.83
  4. Step 4: Simplify right side
    1,739.75x = 2,689,960.44
  5. Step 5: Solve for x
    x = 2,689,960.44/1,739.75
  6. Step 6: Final answer
    x = 1,546.18

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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.