Home / 3,173.18-4,378.83-1,776.02

Finding the Fourth Proportional to 3,173.18, 4,378.83 and 1,776.02

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Solution

The fourth proportional to 3,173.18, 4,378.83 and 1,776.02 is: 2,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.18 : 4,378.83 = 1,776.02 : x
  2. Step 2: Convert to fraction form
    3,173.18/4,378.83 = 1,776.02/x
  3. Step 3: Cross multiply
    3,173.18x = 4,378.83 × 1,776.02
  4. Step 4: Simplify right side
    3,173.18x = 7,776,889.66
  5. Step 5: Solve for x
    x = 7,776,889.66/3,173.18
  6. Step 6: Final answer
    x = 2,450.82

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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.