Home / 3,006.08-4,139.20-2,630.92

Finding the Fourth Proportional to 3,006.08, 4,139.20 and 2,630.92

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Solution

The fourth proportional to 3,006.08, 4,139.20 and 2,630.92 is: 3,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.08 : 4,139.20 = 2,630.92 : x
  2. Step 2: Convert to fraction form
    3,006.08/4,139.20 = 2,630.92/x
  3. Step 3: Cross multiply
    3,006.08x = 4,139.20 × 2,630.92
  4. Step 4: Simplify right side
    3,006.08x = 10,889,904.06
  5. Step 5: Solve for x
    x = 10,889,904.06/3,006.08
  6. Step 6: Final answer
    x = 3,622.63

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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.