Home / 2,436.45-3,654.39-705.09

Finding the Fourth Proportional to 2,436.45, 3,654.39 and 705.09

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Solution

The fourth proportional to 2,436.45, 3,654.39 and 705.09 is: 1,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.45 : 3,654.39 = 705.09 : x
  2. Step 2: Convert to fraction form
    2,436.45/3,654.39 = 705.09/x
  3. Step 3: Cross multiply
    2,436.45x = 3,654.39 × 705.09
  4. Step 4: Simplify right side
    2,436.45x = 2,576,673.85
  5. Step 5: Solve for x
    x = 2,576,673.85/2,436.45
  6. Step 6: Final answer
    x = 1,057.55

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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.