Home / 2,141.65-3,212.46-1,481.45

Finding the Fourth Proportional to 2,141.65, 3,212.46 and 1,481.45

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Solution

The fourth proportional to 2,141.65, 3,212.46 and 1,481.45 is: 2,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.65 : 3,212.46 = 1,481.45 : x
  2. Step 2: Convert to fraction form
    2,141.65/3,212.46 = 1,481.45/x
  3. Step 3: Cross multiply
    2,141.65x = 3,212.46 × 1,481.45
  4. Step 4: Simplify right side
    2,141.65x = 4,759,082.80
  5. Step 5: Solve for x
    x = 4,759,082.80/2,141.65
  6. Step 6: Final answer
    x = 2,222.16

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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.