Home / 1,926.68-2,659.88-1,739.56

Finding the Fourth Proportional to 1,926.68, 2,659.88 and 1,739.56

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Solution

The fourth proportional to 1,926.68, 2,659.88 and 1,739.56 is: 2,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.68 : 2,659.88 = 1,739.56 : x
  2. Step 2: Convert to fraction form
    1,926.68/2,659.88 = 1,739.56/x
  3. Step 3: Cross multiply
    1,926.68x = 2,659.88 × 1,739.56
  4. Step 4: Simplify right side
    1,926.68x = 4,627,020.85
  5. Step 5: Solve for x
    x = 4,627,020.85/1,926.68
  6. Step 6: Final answer
    x = 2,401.55

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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.