Home / 2,006.70-2,768.85-1,167.45

Finding the Fourth Proportional to 2,006.70, 2,768.85 and 1,167.45

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Solution

The fourth proportional to 2,006.70, 2,768.85 and 1,167.45 is: 1,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.70 : 2,768.85 = 1,167.45 : x
  2. Step 2: Convert to fraction form
    2,006.70/2,768.85 = 1,167.45/x
  3. Step 3: Cross multiply
    2,006.70x = 2,768.85 × 1,167.45
  4. Step 4: Simplify right side
    2,006.70x = 3,232,493.93
  5. Step 5: Solve for x
    x = 3,232,493.93/2,006.70
  6. Step 6: Final answer
    x = 1,610.85

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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.