Home / 3,639.60-5,459.94-1,173.96

Finding the Fourth Proportional to 3,639.60, 5,459.94 and 1,173.96

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Solution

The fourth proportional to 3,639.60, 5,459.94 and 1,173.96 is: 1,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.60 : 5,459.94 = 1,173.96 : x
  2. Step 2: Convert to fraction form
    3,639.60/5,459.94 = 1,173.96/x
  3. Step 3: Cross multiply
    3,639.60x = 5,459.94 × 1,173.96
  4. Step 4: Simplify right side
    3,639.60x = 6,409,751.16
  5. Step 5: Solve for x
    x = 6,409,751.16/3,639.60
  6. Step 6: Final answer
    x = 1,761.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.