Home / 3,159.08-4,732.70-1,209.96

Finding the Fourth Proportional to 3,159.08, 4,732.70 and 1,209.96

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Solution

The fourth proportional to 3,159.08, 4,732.70 and 1,209.96 is: 1,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.08 : 4,732.70 = 1,209.96 : x
  2. Step 2: Convert to fraction form
    3,159.08/4,732.70 = 1,209.96/x
  3. Step 3: Cross multiply
    3,159.08x = 4,732.70 × 1,209.96
  4. Step 4: Simplify right side
    3,159.08x = 5,726,377.69
  5. Step 5: Solve for x
    x = 5,726,377.69/3,159.08
  6. Step 6: Final answer
    x = 1,812.67

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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.