Home / 1,708.58-2,351.82-1,235.71

Finding the Fourth Proportional to 1,708.58, 2,351.82 and 1,235.71

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Solution

The fourth proportional to 1,708.58, 2,351.82 and 1,235.71 is: 1,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.58 : 2,351.82 = 1,235.71 : x
  2. Step 2: Convert to fraction form
    1,708.58/2,351.82 = 1,235.71/x
  3. Step 3: Cross multiply
    1,708.58x = 2,351.82 × 1,235.71
  4. Step 4: Simplify right side
    1,708.58x = 2,906,165.80
  5. Step 5: Solve for x
    x = 2,906,165.80/1,708.58
  6. Step 6: Final answer
    x = 1,700.92

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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.