Home / 3,078.47-4,614.19-1,322.93

Finding the Fourth Proportional to 3,078.47, 4,614.19 and 1,322.93

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Solution

The fourth proportional to 3,078.47, 4,614.19 and 1,322.93 is: 1,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.47 : 4,614.19 = 1,322.93 : x
  2. Step 2: Convert to fraction form
    3,078.47/4,614.19 = 1,322.93/x
  3. Step 3: Cross multiply
    3,078.47x = 4,614.19 × 1,322.93
  4. Step 4: Simplify right side
    3,078.47x = 6,104,250.38
  5. Step 5: Solve for x
    x = 6,104,250.38/3,078.47
  6. Step 6: Final answer
    x = 1,982.88

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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.