Home / 3,479.28-5,212.85-2,898.02

Finding the Fourth Proportional to 3,479.28, 5,212.85 and 2,898.02

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Solution

The fourth proportional to 3,479.28, 5,212.85 and 2,898.02 is: 4,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.28 : 5,212.85 = 2,898.02 : x
  2. Step 2: Convert to fraction form
    3,479.28/5,212.85 = 2,898.02/x
  3. Step 3: Cross multiply
    3,479.28x = 5,212.85 × 2,898.02
  4. Step 4: Simplify right side
    3,479.28x = 15,106,943.56
  5. Step 5: Solve for x
    x = 15,106,943.56/3,479.28
  6. Step 6: Final answer
    x = 4,341.97

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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.