Home / 3,286.28-4,929.98-1,095.56

Finding the Fourth Proportional to 3,286.28, 4,929.98 and 1,095.56

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Solution

The fourth proportional to 3,286.28, 4,929.98 and 1,095.56 is: 1,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.28 : 4,929.98 = 1,095.56 : x
  2. Step 2: Convert to fraction form
    3,286.28/4,929.98 = 1,095.56/x
  3. Step 3: Cross multiply
    3,286.28x = 4,929.98 × 1,095.56
  4. Step 4: Simplify right side
    3,286.28x = 5,401,088.89
  5. Step 5: Solve for x
    x = 5,401,088.89/3,286.28
  6. Step 6: Final answer
    x = 1,643.53

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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.