Home / 2,623.44-3,621.36-1,692

Finding the Fourth Proportional to 2,623.44, 3,621.36 and 1,692

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Solution

The fourth proportional to 2,623.44, 3,621.36 and 1,692 is: 2,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.44 : 3,621.36 = 1,692 : x
  2. Step 2: Convert to fraction form
    2,623.44/3,621.36 = 1,692/x
  3. Step 3: Cross multiply
    2,623.44x = 3,621.36 × 1,692
  4. Step 4: Simplify right side
    2,623.44x = 6,127,341.12
  5. Step 5: Solve for x
    x = 6,127,341.12/2,623.44
  6. Step 6: Final answer
    x = 2,335.61

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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.