Home / 3,085.80-4,628.97-1,005.26

Finding the Fourth Proportional to 3,085.80, 4,628.97 and 1,005.26

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Solution

The fourth proportional to 3,085.80, 4,628.97 and 1,005.26 is: 1,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.80 : 4,628.97 = 1,005.26 : x
  2. Step 2: Convert to fraction form
    3,085.80/4,628.97 = 1,005.26/x
  3. Step 3: Cross multiply
    3,085.80x = 4,628.97 × 1,005.26
  4. Step 4: Simplify right side
    3,085.80x = 4,653,295.24
  5. Step 5: Solve for x
    x = 4,653,295.24/3,085.80
  6. Step 6: Final answer
    x = 1,507.97

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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.