Home / 3,022.50-4,168.92-2,920.89

Finding the Fourth Proportional to 3,022.50, 4,168.92 and 2,920.89

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Solution

The fourth proportional to 3,022.50, 4,168.92 and 2,920.89 is: 4,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.50 : 4,168.92 = 2,920.89 : x
  2. Step 2: Convert to fraction form
    3,022.50/4,168.92 = 2,920.89/x
  3. Step 3: Cross multiply
    3,022.50x = 4,168.92 × 2,920.89
  4. Step 4: Simplify right side
    3,022.50x = 12,176,956.74
  5. Step 5: Solve for x
    x = 12,176,956.74/3,022.50
  6. Step 6: Final answer
    x = 4,028.77

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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.