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Finding the Fourth Proportional to 3,205.17, 4,807.71 and 896.67

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Solution

The fourth proportional to 3,205.17, 4,807.71 and 896.67 is: 1,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.17 : 4,807.71 = 896.67 : x
  2. Step 2: Convert to fraction form
    3,205.17/4,807.71 = 896.67/x
  3. Step 3: Cross multiply
    3,205.17x = 4,807.71 × 896.67
  4. Step 4: Simplify right side
    3,205.17x = 4,310,929.33
  5. Step 5: Solve for x
    x = 4,310,929.33/3,205.17
  6. Step 6: Final answer
    x = 1,344.99

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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.