Home / 3,693.12-5,558.28-2,773.50

Finding the Fourth Proportional to 3,693.12, 5,558.28 and 2,773.50

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Solution

The fourth proportional to 3,693.12, 5,558.28 and 2,773.50 is: 4,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.12 : 5,558.28 = 2,773.50 : x
  2. Step 2: Convert to fraction form
    3,693.12/5,558.28 = 2,773.50/x
  3. Step 3: Cross multiply
    3,693.12x = 5,558.28 × 2,773.50
  4. Step 4: Simplify right side
    3,693.12x = 15,415,889.58
  5. Step 5: Solve for x
    x = 15,415,889.58/3,693.12
  6. Step 6: Final answer
    x = 4,174.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.