Home / 3,004.14-4,145.91-1,678.05

Finding the Fourth Proportional to 3,004.14, 4,145.91 and 1,678.05

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Solution

The fourth proportional to 3,004.14, 4,145.91 and 1,678.05 is: 2,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.14 : 4,145.91 = 1,678.05 : x
  2. Step 2: Convert to fraction form
    3,004.14/4,145.91 = 1,678.05/x
  3. Step 3: Cross multiply
    3,004.14x = 4,145.91 × 1,678.05
  4. Step 4: Simplify right side
    3,004.14x = 6,957,044.28
  5. Step 5: Solve for x
    x = 6,957,044.28/3,004.14
  6. Step 6: Final answer
    x = 2,315.82

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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.