Home / 3,171.18-4,756.68-1,223.81

Finding the Fourth Proportional to 3,171.18, 4,756.68 and 1,223.81

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Solution

The fourth proportional to 3,171.18, 4,756.68 and 1,223.81 is: 1,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.18 : 4,756.68 = 1,223.81 : x
  2. Step 2: Convert to fraction form
    3,171.18/4,756.68 = 1,223.81/x
  3. Step 3: Cross multiply
    3,171.18x = 4,756.68 × 1,223.81
  4. Step 4: Simplify right side
    3,171.18x = 5,821,248.77
  5. Step 5: Solve for x
    x = 5,821,248.77/3,171.18
  6. Step 6: Final answer
    x = 1,835.67

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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.