Home / 2,982.38-4,115.70-1,656.27

Finding the Fourth Proportional to 2,982.38, 4,115.70 and 1,656.27

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Solution

The fourth proportional to 2,982.38, 4,115.70 and 1,656.27 is: 2,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.38 : 4,115.70 = 1,656.27 : x
  2. Step 2: Convert to fraction form
    2,982.38/4,115.70 = 1,656.27/x
  3. Step 3: Cross multiply
    2,982.38x = 4,115.70 × 1,656.27
  4. Step 4: Simplify right side
    2,982.38x = 6,816,710.44
  5. Step 5: Solve for x
    x = 6,816,710.44/2,982.38
  6. Step 6: Final answer
    x = 2,285.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.