Home / 2,426.26-3,639.58-866.60

Finding the Fourth Proportional to 2,426.26, 3,639.58 and 866.60

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Solution

The fourth proportional to 2,426.26, 3,639.58 and 866.60 is: 1,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.26 : 3,639.58 = 866.60 : x
  2. Step 2: Convert to fraction form
    2,426.26/3,639.58 = 866.60/x
  3. Step 3: Cross multiply
    2,426.26x = 3,639.58 × 866.60
  4. Step 4: Simplify right side
    2,426.26x = 3,154,060.03
  5. Step 5: Solve for x
    x = 3,154,060.03/2,426.26
  6. Step 6: Final answer
    x = 1,299.97

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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.