Home / 3,605.20-5,371.96-3,212.18

Finding the Fourth Proportional to 3,605.20, 5,371.96 and 3,212.18

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Solution

The fourth proportional to 3,605.20, 5,371.96 and 3,212.18 is: 4,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.20 : 5,371.96 = 3,212.18 : x
  2. Step 2: Convert to fraction form
    3,605.20/5,371.96 = 3,212.18/x
  3. Step 3: Cross multiply
    3,605.20x = 5,371.96 × 3,212.18
  4. Step 4: Simplify right side
    3,605.20x = 17,255,702.47
  5. Step 5: Solve for x
    x = 17,255,702.47/3,605.20
  6. Step 6: Final answer
    x = 4,786.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.