Home / 3,225.64-4,838.35-917.14

Finding the Fourth Proportional to 3,225.64, 4,838.35 and 917.14

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Solution

The fourth proportional to 3,225.64, 4,838.35 and 917.14 is: 1,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.64 : 4,838.35 = 917.14 : x
  2. Step 2: Convert to fraction form
    3,225.64/4,838.35 = 917.14/x
  3. Step 3: Cross multiply
    3,225.64x = 4,838.35 × 917.14
  4. Step 4: Simplify right side
    3,225.64x = 4,437,415.54
  5. Step 5: Solve for x
    x = 4,437,415.54/3,225.64
  6. Step 6: Final answer
    x = 1,375.67

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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.