Home / 2,735.61-4,101.79-2,149.17

Finding the Fourth Proportional to 2,735.61, 4,101.79 and 2,149.17

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Solution

The fourth proportional to 2,735.61, 4,101.79 and 2,149.17 is: 3,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.61 : 4,101.79 = 2,149.17 : x
  2. Step 2: Convert to fraction form
    2,735.61/4,101.79 = 2,149.17/x
  3. Step 3: Cross multiply
    2,735.61x = 4,101.79 × 2,149.17
  4. Step 4: Simplify right side
    2,735.61x = 8,815,427.29
  5. Step 5: Solve for x
    x = 8,815,427.29/2,735.61
  6. Step 6: Final answer
    x = 3,222.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.