Home / 3,085.29-4,628.43-1,699.28

Finding the Fourth Proportional to 3,085.29, 4,628.43 and 1,699.28

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Solution

The fourth proportional to 3,085.29, 4,628.43 and 1,699.28 is: 2,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.29 : 4,628.43 = 1,699.28 : x
  2. Step 2: Convert to fraction form
    3,085.29/4,628.43 = 1,699.28/x
  3. Step 3: Cross multiply
    3,085.29x = 4,628.43 × 1,699.28
  4. Step 4: Simplify right side
    3,085.29x = 7,864,992.74
  5. Step 5: Solve for x
    x = 7,864,992.74/3,085.29
  6. Step 6: Final answer
    x = 2,549.19

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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.