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Finding the Fourth Proportional to 3,289.18, 4,933.05 and 948.67

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Solution

The fourth proportional to 3,289.18, 4,933.05 and 948.67 is: 1,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.18 : 4,933.05 = 948.67 : x
  2. Step 2: Convert to fraction form
    3,289.18/4,933.05 = 948.67/x
  3. Step 3: Cross multiply
    3,289.18x = 4,933.05 × 948.67
  4. Step 4: Simplify right side
    3,289.18x = 4,679,836.54
  5. Step 5: Solve for x
    x = 4,679,836.54/3,289.18
  6. Step 6: Final answer
    x = 1,422.80

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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.