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Finding the Fourth Proportional to 2,310.05, 3,464.75 and 644.29

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Solution

The fourth proportional to 2,310.05, 3,464.75 and 644.29 is: 966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.05 : 3,464.75 = 644.29 : x
  2. Step 2: Convert to fraction form
    2,310.05/3,464.75 = 644.29/x
  3. Step 3: Cross multiply
    2,310.05x = 3,464.75 × 644.29
  4. Step 4: Simplify right side
    2,310.05x = 2,232,296.73
  5. Step 5: Solve for x
    x = 2,232,296.73/2,310.05
  6. Step 6: Final answer
    x = 966.34

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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.