Home / 3,085.69-4,631.99-1,238.08

Finding the Fourth Proportional to 3,085.69, 4,631.99 and 1,238.08

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Solution

The fourth proportional to 3,085.69, 4,631.99 and 1,238.08 is: 1,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.69 : 4,631.99 = 1,238.08 : x
  2. Step 2: Convert to fraction form
    3,085.69/4,631.99 = 1,238.08/x
  3. Step 3: Cross multiply
    3,085.69x = 4,631.99 × 1,238.08
  4. Step 4: Simplify right side
    3,085.69x = 5,734,774.18
  5. Step 5: Solve for x
    x = 5,734,774.18/3,085.69
  6. Step 6: Final answer
    x = 1,858.51

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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.