Home / 3,943.24-5,911.20-1,479.67

Finding the Fourth Proportional to 3,943.24, 5,911.20 and 1,479.67

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Solution

The fourth proportional to 3,943.24, 5,911.20 and 1,479.67 is: 2,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.24 : 5,911.20 = 1,479.67 : x
  2. Step 2: Convert to fraction form
    3,943.24/5,911.20 = 1,479.67/x
  3. Step 3: Cross multiply
    3,943.24x = 5,911.20 × 1,479.67
  4. Step 4: Simplify right side
    3,943.24x = 8,746,610.53
  5. Step 5: Solve for x
    x = 8,746,610.53/3,943.24
  6. Step 6: Final answer
    x = 2,218.13

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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.