Home / 3,004.27-4,145.91-1,678.09

Finding the Fourth Proportional to 3,004.27, 4,145.91 and 1,678.09

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Solution

The fourth proportional to 3,004.27, 4,145.91 and 1,678.09 is: 2,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.27 : 4,145.91 = 1,678.09 : x
  2. Step 2: Convert to fraction form
    3,004.27/4,145.91 = 1,678.09/x
  3. Step 3: Cross multiply
    3,004.27x = 4,145.91 × 1,678.09
  4. Step 4: Simplify right side
    3,004.27x = 6,957,210.11
  5. Step 5: Solve for x
    x = 6,957,210.11/3,004.27
  6. Step 6: Final answer
    x = 2,315.77

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1.5x scale

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.