Home / 2,678.11-4,006.67-2,366.46

Finding the Fourth Proportional to 2,678.11, 4,006.67 and 2,366.46

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Solution

The fourth proportional to 2,678.11, 4,006.67 and 2,366.46 is: 3,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.11 : 4,006.67 = 2,366.46 : x
  2. Step 2: Convert to fraction form
    2,678.11/4,006.67 = 2,366.46/x
  3. Step 3: Cross multiply
    2,678.11x = 4,006.67 × 2,366.46
  4. Step 4: Simplify right side
    2,678.11x = 9,481,612.46
  5. Step 5: Solve for x
    x = 9,481,612.46/2,678.11
  6. Step 6: Final answer
    x = 3,540.42

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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.