Home / 3,621.16-4,991.70-2,983.96

Finding the Fourth Proportional to 3,621.16, 4,991.70 and 2,983.96

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Solution

The fourth proportional to 3,621.16, 4,991.70 and 2,983.96 is: 4,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.16 : 4,991.70 = 2,983.96 : x
  2. Step 2: Convert to fraction form
    3,621.16/4,991.70 = 2,983.96/x
  3. Step 3: Cross multiply
    3,621.16x = 4,991.70 × 2,983.96
  4. Step 4: Simplify right side
    3,621.16x = 14,895,033.13
  5. Step 5: Solve for x
    x = 14,895,033.13/3,621.16
  6. Step 6: Final answer
    x = 4,113.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.