Home / 2,776.12-4,163.47-1,664.85

Finding the Fourth Proportional to 2,776.12, 4,163.47 and 1,664.85

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Solution

The fourth proportional to 2,776.12, 4,163.47 and 1,664.85 is: 2,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.12 : 4,163.47 = 1,664.85 : x
  2. Step 2: Convert to fraction form
    2,776.12/4,163.47 = 1,664.85/x
  3. Step 3: Cross multiply
    2,776.12x = 4,163.47 × 1,664.85
  4. Step 4: Simplify right side
    2,776.12x = 6,931,553.03
  5. Step 5: Solve for x
    x = 6,931,553.03/2,776.12
  6. Step 6: Final answer
    x = 2,496.85

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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.