Home / 2,126.35-2,934.38-1,194.85

Finding the Fourth Proportional to 2,126.35, 2,934.38 and 1,194.85

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Solution

The fourth proportional to 2,126.35, 2,934.38 and 1,194.85 is: 1,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.35 : 2,934.38 = 1,194.85 : x
  2. Step 2: Convert to fraction form
    2,126.35/2,934.38 = 1,194.85/x
  3. Step 3: Cross multiply
    2,126.35x = 2,934.38 × 1,194.85
  4. Step 4: Simplify right side
    2,126.35x = 3,506,143.94
  5. Step 5: Solve for x
    x = 3,506,143.94/2,126.35
  6. Step 6: Final answer
    x = 1,648.90

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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.