Home / 2,941.16-4,412.82-2,120.36

Finding the Fourth Proportional to 2,941.16, 4,412.82 and 2,120.36

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Solution

The fourth proportional to 2,941.16, 4,412.82 and 2,120.36 is: 3,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.16 : 4,412.82 = 2,120.36 : x
  2. Step 2: Convert to fraction form
    2,941.16/4,412.82 = 2,120.36/x
  3. Step 3: Cross multiply
    2,941.16x = 4,412.82 × 2,120.36
  4. Step 4: Simplify right side
    2,941.16x = 9,356,767.02
  5. Step 5: Solve for x
    x = 9,356,767.02/2,941.16
  6. Step 6: Final answer
    x = 3,181.32

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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.