Home / 3,252.23-4,877.79-911.70

Finding the Fourth Proportional to 3,252.23, 4,877.79 and 911.70

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Solution

The fourth proportional to 3,252.23, 4,877.79 and 911.70 is: 1,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.23 : 4,877.79 = 911.70 : x
  2. Step 2: Convert to fraction form
    3,252.23/4,877.79 = 911.70/x
  3. Step 3: Cross multiply
    3,252.23x = 4,877.79 × 911.70
  4. Step 4: Simplify right side
    3,252.23x = 4,447,066.27
  5. Step 5: Solve for x
    x = 4,447,066.27/3,252.23
  6. Step 6: Final answer
    x = 1,367.39

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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.