Home / 3,004.47-4,145.97-1,678.14

Finding the Fourth Proportional to 3,004.47, 4,145.97 and 1,678.14

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Solution

The fourth proportional to 3,004.47, 4,145.97 and 1,678.14 is: 2,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.47 : 4,145.97 = 1,678.14 : x
  2. Step 2: Convert to fraction form
    3,004.47/4,145.97 = 1,678.14/x
  3. Step 3: Cross multiply
    3,004.47x = 4,145.97 × 1,678.14
  4. Step 4: Simplify right side
    3,004.47x = 6,957,518.10
  5. Step 5: Solve for x
    x = 6,957,518.10/3,004.47
  6. Step 6: Final answer
    x = 2,315.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.