Home / 2,767.20-4,146.48-1,934.88

Finding the Fourth Proportional to 2,767.20, 4,146.48 and 1,934.88

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Solution

The fourth proportional to 2,767.20, 4,146.48 and 1,934.88 is: 2,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.20 : 4,146.48 = 1,934.88 : x
  2. Step 2: Convert to fraction form
    2,767.20/4,146.48 = 1,934.88/x
  3. Step 3: Cross multiply
    2,767.20x = 4,146.48 × 1,934.88
  4. Step 4: Simplify right side
    2,767.20x = 8,022,941.22
  5. Step 5: Solve for x
    x = 8,022,941.22/2,767.20
  6. Step 6: Final answer
    x = 2,899.30

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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.