Home / 3,173.60-4,378.92-1,776.08

Finding the Fourth Proportional to 3,173.60, 4,378.92 and 1,776.08

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Solution

The fourth proportional to 3,173.60, 4,378.92 and 1,776.08 is: 2,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.60 : 4,378.92 = 1,776.08 : x
  2. Step 2: Convert to fraction form
    3,173.60/4,378.92 = 1,776.08/x
  3. Step 3: Cross multiply
    3,173.60x = 4,378.92 × 1,776.08
  4. Step 4: Simplify right side
    3,173.60x = 7,777,312.23
  5. Step 5: Solve for x
    x = 7,777,312.23/3,173.60
  6. Step 6: Final answer
    x = 2,450.63

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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.