Home / 2,902.64-4,354.26-1,921.83

Finding the Fourth Proportional to 2,902.64, 4,354.26 and 1,921.83

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Solution

The fourth proportional to 2,902.64, 4,354.26 and 1,921.83 is: 2,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.64 : 4,354.26 = 1,921.83 : x
  2. Step 2: Convert to fraction form
    2,902.64/4,354.26 = 1,921.83/x
  3. Step 3: Cross multiply
    2,902.64x = 4,354.26 × 1,921.83
  4. Step 4: Simplify right side
    2,902.64x = 8,368,123.96
  5. Step 5: Solve for x
    x = 8,368,123.96/2,902.64
  6. Step 6: Final answer
    x = 2,882.94

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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.