Home / 3,619.61-5,438.54-2,303.96

Finding the Fourth Proportional to 3,619.61, 5,438.54 and 2,303.96

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Solution

The fourth proportional to 3,619.61, 5,438.54 and 2,303.96 is: 3,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.61 : 5,438.54 = 2,303.96 : x
  2. Step 2: Convert to fraction form
    3,619.61/5,438.54 = 2,303.96/x
  3. Step 3: Cross multiply
    3,619.61x = 5,438.54 × 2,303.96
  4. Step 4: Simplify right side
    3,619.61x = 12,530,180.69
  5. Step 5: Solve for x
    x = 12,530,180.69/3,619.61
  6. Step 6: Final answer
    x = 3,461.75

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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.