Home / 2,007.10-3,010.65-1,861.30

Finding the Fourth Proportional to 2,007.10, 3,010.65 and 1,861.30

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Solution

The fourth proportional to 2,007.10, 3,010.65 and 1,861.30 is: 2,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.10 : 3,010.65 = 1,861.30 : x
  2. Step 2: Convert to fraction form
    2,007.10/3,010.65 = 1,861.30/x
  3. Step 3: Cross multiply
    2,007.10x = 3,010.65 × 1,861.30
  4. Step 4: Simplify right side
    2,007.10x = 5,603,722.85
  5. Step 5: Solve for x
    x = 5,603,722.85/2,007.10
  6. Step 6: Final answer
    x = 2,791.95

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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.