Home / 2,674.28-4,011.30-2,207.72

Finding the Fourth Proportional to 2,674.28, 4,011.30 and 2,207.72

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Solution

The fourth proportional to 2,674.28, 4,011.30 and 2,207.72 is: 3,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.28 : 4,011.30 = 2,207.72 : x
  2. Step 2: Convert to fraction form
    2,674.28/4,011.30 = 2,207.72/x
  3. Step 3: Cross multiply
    2,674.28x = 4,011.30 × 2,207.72
  4. Step 4: Simplify right side
    2,674.28x = 8,855,827.24
  5. Step 5: Solve for x
    x = 8,855,827.24/2,674.28
  6. Step 6: Final answer
    x = 3,311.48

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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.