Home / 2,708.88-4,060.68-1,392.66

Finding the Fourth Proportional to 2,708.88, 4,060.68 and 1,392.66

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Solution

The fourth proportional to 2,708.88, 4,060.68 and 1,392.66 is: 2,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.88 : 4,060.68 = 1,392.66 : x
  2. Step 2: Convert to fraction form
    2,708.88/4,060.68 = 1,392.66/x
  3. Step 3: Cross multiply
    2,708.88x = 4,060.68 × 1,392.66
  4. Step 4: Simplify right side
    2,708.88x = 5,655,146.61
  5. Step 5: Solve for x
    x = 5,655,146.61/2,708.88
  6. Step 6: Final answer
    x = 2,087.63

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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.