Home / 2,808.48-4,213.79-1,164.89

Finding the Fourth Proportional to 2,808.48, 4,213.79 and 1,164.89

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Solution

The fourth proportional to 2,808.48, 4,213.79 and 1,164.89 is: 1,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.48 : 4,213.79 = 1,164.89 : x
  2. Step 2: Convert to fraction form
    2,808.48/4,213.79 = 1,164.89/x
  3. Step 3: Cross multiply
    2,808.48x = 4,213.79 × 1,164.89
  4. Step 4: Simplify right side
    2,808.48x = 4,908,610.91
  5. Step 5: Solve for x
    x = 4,908,610.91/2,808.48
  6. Step 6: Final answer
    x = 1,747.78

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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.