Home / 1,932.71-2,668.91-1,235.30

Finding the Fourth Proportional to 1,932.71, 2,668.91 and 1,235.30

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Solution

The fourth proportional to 1,932.71, 2,668.91 and 1,235.30 is: 1,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.71 : 2,668.91 = 1,235.30 : x
  2. Step 2: Convert to fraction form
    1,932.71/2,668.91 = 1,235.30/x
  3. Step 3: Cross multiply
    1,932.71x = 2,668.91 × 1,235.30
  4. Step 4: Simplify right side
    1,932.71x = 3,296,885.00
  5. Step 5: Solve for x
    x = 3,296,885.00/1,932.71
  6. Step 6: Final answer
    x = 1,705.84

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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.