Home / 2,107.92-3,140.85-2,013.62

Finding the Fourth Proportional to 2,107.92, 3,140.85 and 2,013.62

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Solution

The fourth proportional to 2,107.92, 3,140.85 and 2,013.62 is: 3,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.92 : 3,140.85 = 2,013.62 : x
  2. Step 2: Convert to fraction form
    2,107.92/3,140.85 = 2,013.62/x
  3. Step 3: Cross multiply
    2,107.92x = 3,140.85 × 2,013.62
  4. Step 4: Simplify right side
    2,107.92x = 6,324,462.67
  5. Step 5: Solve for x
    x = 6,324,462.67/2,107.92
  6. Step 6: Final answer
    x = 3,000.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.