Home / 3,164.45-4,366.92-1,767.20

Finding the Fourth Proportional to 3,164.45, 4,366.92 and 1,767.20

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Solution

The fourth proportional to 3,164.45, 4,366.92 and 1,767.20 is: 2,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.45 : 4,366.92 = 1,767.20 : x
  2. Step 2: Convert to fraction form
    3,164.45/4,366.92 = 1,767.20/x
  3. Step 3: Cross multiply
    3,164.45x = 4,366.92 × 1,767.20
  4. Step 4: Simplify right side
    3,164.45x = 7,717,199.19
  5. Step 5: Solve for x
    x = 7,717,199.19/3,164.45
  6. Step 6: Final answer
    x = 2,438.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.