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Finding the Fourth Proportional to 2,848.92, 4,273.02 and 769.08

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Solution

The fourth proportional to 2,848.92, 4,273.02 and 769.08 is: 1,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.92 : 4,273.02 = 769.08 : x
  2. Step 2: Convert to fraction form
    2,848.92/4,273.02 = 769.08/x
  3. Step 3: Cross multiply
    2,848.92x = 4,273.02 × 769.08
  4. Step 4: Simplify right side
    2,848.92x = 3,286,294.22
  5. Step 5: Solve for x
    x = 3,286,294.22/2,848.92
  6. Step 6: Final answer
    x = 1,153.52

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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.