Home / 3,479.79-5,213.60-2,898.52

Finding the Fourth Proportional to 3,479.79, 5,213.60 and 2,898.52

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Solution

The fourth proportional to 3,479.79, 5,213.60 and 2,898.52 is: 4,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.79 : 5,213.60 = 2,898.52 : x
  2. Step 2: Convert to fraction form
    3,479.79/5,213.60 = 2,898.52/x
  3. Step 3: Cross multiply
    3,479.79x = 5,213.60 × 2,898.52
  4. Step 4: Simplify right side
    3,479.79x = 15,111,723.87
  5. Step 5: Solve for x
    x = 15,111,723.87/3,479.79
  6. Step 6: Final answer
    x = 4,342.71

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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.