Home / 2,758.94-4,135.68-1,832.20

Finding the Fourth Proportional to 2,758.94, 4,135.68 and 1,832.20

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Solution

The fourth proportional to 2,758.94, 4,135.68 and 1,832.20 is: 2,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.94 : 4,135.68 = 1,832.20 : x
  2. Step 2: Convert to fraction form
    2,758.94/4,135.68 = 1,832.20/x
  3. Step 3: Cross multiply
    2,758.94x = 4,135.68 × 1,832.20
  4. Step 4: Simplify right side
    2,758.94x = 7,577,392.90
  5. Step 5: Solve for x
    x = 7,577,392.90/2,758.94
  6. Step 6: Final answer
    x = 2,746.49

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1.5x scale

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.