Home / 2,742.64-3,783.18-1,623.22

Finding the Fourth Proportional to 2,742.64, 3,783.18 and 1,623.22

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Solution

The fourth proportional to 2,742.64, 3,783.18 and 1,623.22 is: 2,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.64 : 3,783.18 = 1,623.22 : x
  2. Step 2: Convert to fraction form
    2,742.64/3,783.18 = 1,623.22/x
  3. Step 3: Cross multiply
    2,742.64x = 3,783.18 × 1,623.22
  4. Step 4: Simplify right side
    2,742.64x = 6,140,933.44
  5. Step 5: Solve for x
    x = 6,140,933.44/2,742.64
  6. Step 6: Final answer
    x = 2,239.06

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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.