Home / 1,004.14-1,384.92-611.09

Finding the Fourth Proportional to 1,004.14, 1,384.92 and 611.09

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Solution

The fourth proportional to 1,004.14, 1,384.92 and 611.09 is: 842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.14 : 1,384.92 = 611.09 : x
  2. Step 2: Convert to fraction form
    1,004.14/1,384.92 = 611.09/x
  3. Step 3: Cross multiply
    1,004.14x = 1,384.92 × 611.09
  4. Step 4: Simplify right side
    1,004.14x = 846,303.84
  5. Step 5: Solve for x
    x = 846,303.84/1,004.14
  6. Step 6: Final answer
    x = 842.82

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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.