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Finding the Fourth Proportional to 1,609.56, 2,410.97 and 959.94

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Solution

The fourth proportional to 1,609.56, 2,410.97 and 959.94 is: 1,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.56 : 2,410.97 = 959.94 : x
  2. Step 2: Convert to fraction form
    1,609.56/2,410.97 = 959.94/x
  3. Step 3: Cross multiply
    1,609.56x = 2,410.97 × 959.94
  4. Step 4: Simplify right side
    1,609.56x = 2,314,381.74
  5. Step 5: Solve for x
    x = 2,314,381.74/1,609.56
  6. Step 6: Final answer
    x = 1,437.90

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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.