Home / 3,120.28-4,676.54-2,006.74

Finding the Fourth Proportional to 3,120.28, 4,676.54 and 2,006.74

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Solution

The fourth proportional to 3,120.28, 4,676.54 and 2,006.74 is: 3,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.28 : 4,676.54 = 2,006.74 : x
  2. Step 2: Convert to fraction form
    3,120.28/4,676.54 = 2,006.74/x
  3. Step 3: Cross multiply
    3,120.28x = 4,676.54 × 2,006.74
  4. Step 4: Simplify right side
    3,120.28x = 9,384,569.39
  5. Step 5: Solve for x
    x = 9,384,569.39/3,120.28
  6. Step 6: Final answer
    x = 3,007.60

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1.5x scale

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.