Home / 2,271.92-3,381.62-2,220.89

Finding the Fourth Proportional to 2,271.92, 3,381.62 and 2,220.89

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Solution

The fourth proportional to 2,271.92, 3,381.62 and 2,220.89 is: 3,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.92 : 3,381.62 = 2,220.89 : x
  2. Step 2: Convert to fraction form
    2,271.92/3,381.62 = 2,220.89/x
  3. Step 3: Cross multiply
    2,271.92x = 3,381.62 × 2,220.89
  4. Step 4: Simplify right side
    2,271.92x = 7,510,178.03
  5. Step 5: Solve for x
    x = 7,510,178.03/2,271.92
  6. Step 6: Final answer
    x = 3,305.66

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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.