Home / 3,162.06-4,743.14-1,428.66

Finding the Fourth Proportional to 3,162.06, 4,743.14 and 1,428.66

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Solution

The fourth proportional to 3,162.06, 4,743.14 and 1,428.66 is: 2,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.06 : 4,743.14 = 1,428.66 : x
  2. Step 2: Convert to fraction form
    3,162.06/4,743.14 = 1,428.66/x
  3. Step 3: Cross multiply
    3,162.06x = 4,743.14 × 1,428.66
  4. Step 4: Simplify right side
    3,162.06x = 6,776,334.39
  5. Step 5: Solve for x
    x = 6,776,334.39/3,162.06
  6. Step 6: Final answer
    x = 2,143.01

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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.