Home / 2,134.68-2,944.20-1,348.44

Finding the Fourth Proportional to 2,134.68, 2,944.20 and 1,348.44

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Solution

The fourth proportional to 2,134.68, 2,944.20 and 1,348.44 is: 1,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.68 : 2,944.20 = 1,348.44 : x
  2. Step 2: Convert to fraction form
    2,134.68/2,944.20 = 1,348.44/x
  3. Step 3: Cross multiply
    2,134.68x = 2,944.20 × 1,348.44
  4. Step 4: Simplify right side
    2,134.68x = 3,970,077.05
  5. Step 5: Solve for x
    x = 3,970,077.05/2,134.68
  6. Step 6: Final answer
    x = 1,859.80

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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.