Home / 2,511.21-3,464.38-1,765.65

Finding the Fourth Proportional to 2,511.21, 3,464.38 and 1,765.65

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Solution

The fourth proportional to 2,511.21, 3,464.38 and 1,765.65 is: 2,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.21 : 3,464.38 = 1,765.65 : x
  2. Step 2: Convert to fraction form
    2,511.21/3,464.38 = 1,765.65/x
  3. Step 3: Cross multiply
    2,511.21x = 3,464.38 × 1,765.65
  4. Step 4: Simplify right side
    2,511.21x = 6,116,882.55
  5. Step 5: Solve for x
    x = 6,116,882.55/2,511.21
  6. Step 6: Final answer
    x = 2,435.83

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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.