Home / 2,910.11-4,015.29-1,650.87

Finding the Fourth Proportional to 2,910.11, 4,015.29 and 1,650.87

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Solution

The fourth proportional to 2,910.11, 4,015.29 and 1,650.87 is: 2,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.11 : 4,015.29 = 1,650.87 : x
  2. Step 2: Convert to fraction form
    2,910.11/4,015.29 = 1,650.87/x
  3. Step 3: Cross multiply
    2,910.11x = 4,015.29 × 1,650.87
  4. Step 4: Simplify right side
    2,910.11x = 6,628,721.80
  5. Step 5: Solve for x
    x = 6,628,721.80/2,910.11
  6. Step 6: Final answer
    x = 2,277.83

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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.