Home / 2,006.43-2,769.96-1,209.89

Finding the Fourth Proportional to 2,006.43, 2,769.96 and 1,209.89

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Solution

The fourth proportional to 2,006.43, 2,769.96 and 1,209.89 is: 1,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.43 : 2,769.96 = 1,209.89 : x
  2. Step 2: Convert to fraction form
    2,006.43/2,769.96 = 1,209.89/x
  3. Step 3: Cross multiply
    2,006.43x = 2,769.96 × 1,209.89
  4. Step 4: Simplify right side
    2,006.43x = 3,351,346.90
  5. Step 5: Solve for x
    x = 3,351,346.90/2,006.43
  6. Step 6: Final answer
    x = 1,670.30

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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.