Home / 2,006.67-2,769.17-1,122.47

Finding the Fourth Proportional to 2,006.67, 2,769.17 and 1,122.47

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Solution

The fourth proportional to 2,006.67, 2,769.17 and 1,122.47 is: 1,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.67 : 2,769.17 = 1,122.47 : x
  2. Step 2: Convert to fraction form
    2,006.67/2,769.17 = 1,122.47/x
  3. Step 3: Cross multiply
    2,006.67x = 2,769.17 × 1,122.47
  4. Step 4: Simplify right side
    2,006.67x = 3,108,290.79
  5. Step 5: Solve for x
    x = 3,108,290.79/2,006.67
  6. Step 6: Final answer
    x = 1,548.98

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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.