Home / 2,210.77-3,320.97-2,136.96

Finding the Fourth Proportional to 2,210.77, 3,320.97 and 2,136.96

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Solution

The fourth proportional to 2,210.77, 3,320.97 and 2,136.96 is: 3,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.77 : 3,320.97 = 2,136.96 : x
  2. Step 2: Convert to fraction form
    2,210.77/3,320.97 = 2,136.96/x
  3. Step 3: Cross multiply
    2,210.77x = 3,320.97 × 2,136.96
  4. Step 4: Simplify right side
    2,210.77x = 7,096,780.73
  5. Step 5: Solve for x
    x = 7,096,780.73/2,210.77
  6. Step 6: Final answer
    x = 3,210.10

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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.