Home / 3,007.03-4,511.90-1,911.10

Finding the Fourth Proportional to 3,007.03, 4,511.90 and 1,911.10

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Solution

The fourth proportional to 3,007.03, 4,511.90 and 1,911.10 is: 2,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.03 : 4,511.90 = 1,911.10 : x
  2. Step 2: Convert to fraction form
    3,007.03/4,511.90 = 1,911.10/x
  3. Step 3: Cross multiply
    3,007.03x = 4,511.90 × 1,911.10
  4. Step 4: Simplify right side
    3,007.03x = 8,622,692.09
  5. Step 5: Solve for x
    x = 8,622,692.09/3,007.03
  6. Step 6: Final answer
    x = 2,867.51

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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.