Home / 2,723.28-3,757-1,617.36

Finding the Fourth Proportional to 2,723.28, 3,757 and 1,617.36

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Solution

The fourth proportional to 2,723.28, 3,757 and 1,617.36 is: 2,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.28 : 3,757 = 1,617.36 : x
  2. Step 2: Convert to fraction form
    2,723.28/3,757 = 1,617.36/x
  3. Step 3: Cross multiply
    2,723.28x = 3,757 × 1,617.36
  4. Step 4: Simplify right side
    2,723.28x = 6,076,421.52
  5. Step 5: Solve for x
    x = 6,076,421.52/2,723.28
  6. Step 6: Final answer
    x = 2,231.29

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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.