Home / 3,407.76-5,113.61-1,433.23

Finding the Fourth Proportional to 3,407.76, 5,113.61 and 1,433.23

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Solution

The fourth proportional to 3,407.76, 5,113.61 and 1,433.23 is: 2,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.76 : 5,113.61 = 1,433.23 : x
  2. Step 2: Convert to fraction form
    3,407.76/5,113.61 = 1,433.23/x
  3. Step 3: Cross multiply
    3,407.76x = 5,113.61 × 1,433.23
  4. Step 4: Simplify right side
    3,407.76x = 7,328,972.09
  5. Step 5: Solve for x
    x = 7,328,972.09/3,407.76
  6. Step 6: Final answer
    x = 2,150.67

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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.