Home / 3,162.12-4,743.18-1,802.76

Finding the Fourth Proportional to 3,162.12, 4,743.18 and 1,802.76

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Solution

The fourth proportional to 3,162.12, 4,743.18 and 1,802.76 is: 2,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.12 : 4,743.18 = 1,802.76 : x
  2. Step 2: Convert to fraction form
    3,162.12/4,743.18 = 1,802.76/x
  3. Step 3: Cross multiply
    3,162.12x = 4,743.18 × 1,802.76
  4. Step 4: Simplify right side
    3,162.12x = 8,550,815.18
  5. Step 5: Solve for x
    x = 8,550,815.18/3,162.12
  6. Step 6: Final answer
    x = 2,704.14

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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.