Home / 2,126.14-2,934.06-1,181.92

Finding the Fourth Proportional to 2,126.14, 2,934.06 and 1,181.92

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Solution

The fourth proportional to 2,126.14, 2,934.06 and 1,181.92 is: 1,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.14 : 2,934.06 = 1,181.92 : x
  2. Step 2: Convert to fraction form
    2,126.14/2,934.06 = 1,181.92/x
  3. Step 3: Cross multiply
    2,126.14x = 2,934.06 × 1,181.92
  4. Step 4: Simplify right side
    2,126.14x = 3,467,819.08
  5. Step 5: Solve for x
    x = 3,467,819.08/2,126.14
  6. Step 6: Final answer
    x = 1,631.04

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1.5x scale

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.