Home / 3,230.68-4,838.64-1,929.48

Finding the Fourth Proportional to 3,230.68, 4,838.64 and 1,929.48

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Solution

The fourth proportional to 3,230.68, 4,838.64 and 1,929.48 is: 2,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.68 : 4,838.64 = 1,929.48 : x
  2. Step 2: Convert to fraction form
    3,230.68/4,838.64 = 1,929.48/x
  3. Step 3: Cross multiply
    3,230.68x = 4,838.64 × 1,929.48
  4. Step 4: Simplify right side
    3,230.68x = 9,336,059.11
  5. Step 5: Solve for x
    x = 9,336,059.11/3,230.68
  6. Step 6: Final answer
    x = 2,889.81

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1.5x scale

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.