Home / 2,006.29-2,770.45-1,261.49

Finding the Fourth Proportional to 2,006.29, 2,770.45 and 1,261.49

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Solution

The fourth proportional to 2,006.29, 2,770.45 and 1,261.49 is: 1,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.29 : 2,770.45 = 1,261.49 : x
  2. Step 2: Convert to fraction form
    2,006.29/2,770.45 = 1,261.49/x
  3. Step 3: Cross multiply
    2,006.29x = 2,770.45 × 1,261.49
  4. Step 4: Simplify right side
    2,006.29x = 3,494,898.74
  5. Step 5: Solve for x
    x = 3,494,898.74/2,006.29
  6. Step 6: Final answer
    x = 1,741.97

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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.