Home / 2,773.95-4,163.73-1,388.28

Finding the Fourth Proportional to 2,773.95, 4,163.73 and 1,388.28

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Solution

The fourth proportional to 2,773.95, 4,163.73 and 1,388.28 is: 2,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.95 : 4,163.73 = 1,388.28 : x
  2. Step 2: Convert to fraction form
    2,773.95/4,163.73 = 1,388.28/x
  3. Step 3: Cross multiply
    2,773.95x = 4,163.73 × 1,388.28
  4. Step 4: Simplify right side
    2,773.95x = 5,780,423.08
  5. Step 5: Solve for x
    x = 5,780,423.08/2,773.95
  6. Step 6: Final answer
    x = 2,083.82

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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.