Home / 2,654.15-3,663.09-1,910.57

Finding the Fourth Proportional to 2,654.15, 3,663.09 and 1,910.57

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Solution

The fourth proportional to 2,654.15, 3,663.09 and 1,910.57 is: 2,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.15 : 3,663.09 = 1,910.57 : x
  2. Step 2: Convert to fraction form
    2,654.15/3,663.09 = 1,910.57/x
  3. Step 3: Cross multiply
    2,654.15x = 3,663.09 × 1,910.57
  4. Step 4: Simplify right side
    2,654.15x = 6,998,571.55
  5. Step 5: Solve for x
    x = 6,998,571.55/2,654.15
  6. Step 6: Final answer
    x = 2,636.85

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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.