Home / 2,902.64-4,353.92-1,171.28

Finding the Fourth Proportional to 2,902.64, 4,353.92 and 1,171.28

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Solution

The fourth proportional to 2,902.64, 4,353.92 and 1,171.28 is: 1,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.64 : 4,353.92 = 1,171.28 : x
  2. Step 2: Convert to fraction form
    2,902.64/4,353.92 = 1,171.28/x
  3. Step 3: Cross multiply
    2,902.64x = 4,353.92 × 1,171.28
  4. Step 4: Simplify right side
    2,902.64x = 5,099,659.42
  5. Step 5: Solve for x
    x = 5,099,659.42/2,902.64
  6. Step 6: Final answer
    x = 1,756.90

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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.