Home / 3,085.26-4,630.32-1,625.28

Finding the Fourth Proportional to 3,085.26, 4,630.32 and 1,625.28

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Solution

The fourth proportional to 3,085.26, 4,630.32 and 1,625.28 is: 2,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.26 : 4,630.32 = 1,625.28 : x
  2. Step 2: Convert to fraction form
    3,085.26/4,630.32 = 1,625.28/x
  3. Step 3: Cross multiply
    3,085.26x = 4,630.32 × 1,625.28
  4. Step 4: Simplify right side
    3,085.26x = 7,525,566.49
  5. Step 5: Solve for x
    x = 7,525,566.49/3,085.26
  6. Step 6: Final answer
    x = 2,439.20

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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.