Home / 2,126.22-2,934.02-1,181.96

Finding the Fourth Proportional to 2,126.22, 2,934.02 and 1,181.96

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Solution

The fourth proportional to 2,126.22, 2,934.02 and 1,181.96 is: 1,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.22 : 2,934.02 = 1,181.96 : x
  2. Step 2: Convert to fraction form
    2,126.22/2,934.02 = 1,181.96/x
  3. Step 3: Cross multiply
    2,126.22x = 2,934.02 × 1,181.96
  4. Step 4: Simplify right side
    2,126.22x = 3,467,894.28
  5. Step 5: Solve for x
    x = 3,467,894.28/2,126.22
  6. Step 6: Final answer
    x = 1,631.01

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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.