Home / 2,802.20-4,212.41-2,714.72

Finding the Fourth Proportional to 2,802.20, 4,212.41 and 2,714.72

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Solution

The fourth proportional to 2,802.20, 4,212.41 and 2,714.72 is: 4,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.20 : 4,212.41 = 2,714.72 : x
  2. Step 2: Convert to fraction form
    2,802.20/4,212.41 = 2,714.72/x
  3. Step 3: Cross multiply
    2,802.20x = 4,212.41 × 2,714.72
  4. Step 4: Simplify right side
    2,802.20x = 11,435,479.04
  5. Step 5: Solve for x
    x = 11,435,479.04/2,802.20
  6. Step 6: Final answer
    x = 4,080.90

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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.