Home / 3,150.58-4,721.76-1,299.58

Finding the Fourth Proportional to 3,150.58, 4,721.76 and 1,299.58

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Solution

The fourth proportional to 3,150.58, 4,721.76 and 1,299.58 is: 1,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.58 : 4,721.76 = 1,299.58 : x
  2. Step 2: Convert to fraction form
    3,150.58/4,721.76 = 1,299.58/x
  3. Step 3: Cross multiply
    3,150.58x = 4,721.76 × 1,299.58
  4. Step 4: Simplify right side
    3,150.58x = 6,136,304.86
  5. Step 5: Solve for x
    x = 6,136,304.86/3,150.58
  6. Step 6: Final answer
    x = 1,947.67

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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.