Home / 3,043.20-4,542.78-2,674.14

Finding the Fourth Proportional to 3,043.20, 4,542.78 and 2,674.14

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Solution

The fourth proportional to 3,043.20, 4,542.78 and 2,674.14 is: 3,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.20 : 4,542.78 = 2,674.14 : x
  2. Step 2: Convert to fraction form
    3,043.20/4,542.78 = 2,674.14/x
  3. Step 3: Cross multiply
    3,043.20x = 4,542.78 × 2,674.14
  4. Step 4: Simplify right side
    3,043.20x = 12,148,029.71
  5. Step 5: Solve for x
    x = 12,148,029.71/3,043.20
  6. Step 6: Final answer
    x = 3,991.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.