Home / 2,006.40-2,768.85-1,167.15

Finding the Fourth Proportional to 2,006.40, 2,768.85 and 1,167.15

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Solution

The fourth proportional to 2,006.40, 2,768.85 and 1,167.15 is: 1,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.40 : 2,768.85 = 1,167.15 : x
  2. Step 2: Convert to fraction form
    2,006.40/2,768.85 = 1,167.15/x
  3. Step 3: Cross multiply
    2,006.40x = 2,768.85 × 1,167.15
  4. Step 4: Simplify right side
    2,006.40x = 3,231,663.28
  5. Step 5: Solve for x
    x = 3,231,663.28/2,006.40
  6. Step 6: Final answer
    x = 1,610.68

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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.