Home / 2,206.42-3,042.09-1,615.93

Finding the Fourth Proportional to 2,206.42, 3,042.09 and 1,615.93

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Solution

The fourth proportional to 2,206.42, 3,042.09 and 1,615.93 is: 2,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.42 : 3,042.09 = 1,615.93 : x
  2. Step 2: Convert to fraction form
    2,206.42/3,042.09 = 1,615.93/x
  3. Step 3: Cross multiply
    2,206.42x = 3,042.09 × 1,615.93
  4. Step 4: Simplify right side
    2,206.42x = 4,915,796.89
  5. Step 5: Solve for x
    x = 4,915,796.89/2,206.42
  6. Step 6: Final answer
    x = 2,227.95

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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.