Home / 2,733.12-3,767.20-2,066.88

Finding the Fourth Proportional to 2,733.12, 3,767.20 and 2,066.88

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Solution

The fourth proportional to 2,733.12, 3,767.20 and 2,066.88 is: 2,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.12 : 3,767.20 = 2,066.88 : x
  2. Step 2: Convert to fraction form
    2,733.12/3,767.20 = 2,066.88/x
  3. Step 3: Cross multiply
    2,733.12x = 3,767.20 × 2,066.88
  4. Step 4: Simplify right side
    2,733.12x = 7,786,350.34
  5. Step 5: Solve for x
    x = 7,786,350.34/2,733.12
  6. Step 6: Final answer
    x = 2,848.89

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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.